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Glossary · Nouns · B

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TermTypeDefinitionClassificationsUpdated
Blue LawnounMWEa statute regulating work on SundaysverifiedMay 18, 2026
Blue LotusnounMWEblue Egyptian lotus: held sacred by the EgyptiansverifiedMay 18, 2026
Blue MahoenounMWEerect forest tree of Cuba and Jamaica having variably hairy leaves and orange-yellow or orange-red flowersverifiedMay 18, 2026
Blue MargueritenounMWEhairy South African or Australian subshrub that has daisylike flowers with blue raysverifiedMay 18, 2026
Blue MarlinnounMWElargest marlinverifiedMay 18, 2026
Blue MockingbirdnounMWEmockingbird of MexicoverifiedMay 18, 2026
Blue Mold FungusnounMWEfungus causing a serious disease in tobacco plants characterized by bluish-grey mildew on undersides of leavesverifiedMay 18, 2026
Blue MoonnounMWEa long timeverifiedMay 18, 2026
Blue MurdernounMWEan extravagantly loud outcryverifiedMay 18, 2026
Blue NotenounMWEa flattened third or seventhverifiedMay 18, 2026
Blue OrchidnounMWEfamous orchid of northern India having large pale to deep lilac-blue flowersverifiedMay 18, 2026
Blue PeafowlnounMWEpeafowl of India and CeylonverifiedMay 18, 2026
Blue PeternounMWEa blue flag with a white square in the center indicates that the vessel is ready to sailverifiedMay 18, 2026
Blue PickerelnounMWEvariety inhabiting the Great LakesverifiedMay 18, 2026
Blue PikenounMWEvariety inhabiting the Great LakesverifiedMay 18, 2026
Blue PikeperchnounMWEvariety inhabiting the Great LakesverifiedMay 18, 2026
Blue PimpernelnounMWEan American mint that yields a resinous exudate used especially formerly as an antispasmodicverifiedMay 18, 2026
Blue Point SiamesenounMWESiamese cat having a bluish cream-colored body and dark grey pointsverifiedMay 18, 2026
Blue PointednounMWEcommon blue-grey shark of southwest PacificverifiedMay 18, 2026
Blue PoppynounMWEChinese perennial having mauve-pink to bright sky blue flowers in drooping cymesverifiedMay 18, 2026
Blue RacernounMWEbluish-green blacksnake found from Ohio to TexasverifiedMay 18, 2026
Blue RibbonnounMWEan honor or award gained for excellenceverifiedMay 18, 2026
Blue Ribbon CommissionnounMWEan independent and exclusive commission of nonpartisan statesmen and experts formed to investigate some important governmental issueverifiedMay 18, 2026
Blue Ribbon CommitteenounMWEan independent and exclusive commission of nonpartisan statesmen and experts formed to investigate some important governmental issueverifiedMay 18, 2026
Blue Ribbon JurynounMWEa jury whose members are selected for special knowledge for a case involving complicated issuesverifiedMay 18, 2026
Blue RunnernounMWEfish of western Atlantic: Cape Cod to BrazilverifiedMay 18, 2026
Blue SagenounMWEaromatic shrub of arid regions of western North America having hoary leavesverifiedMay 18, 2026
Blue SharknounMWEslender cosmopolitan, pelagic sharkverifiedMay 18, 2026
Blue SkullcapnounMWEan American mint that yields a resinous exudate used especially formerly as an antispasmodicverifiedMay 18, 2026
Blue SkynounMWEthe sky as viewed during daylightverifiedMay 18, 2026
Blue Sky LawnounMWEa state law regulating the sale of securities in an attempt to control the sale of securities in fraudulent enterprisesverifiedMay 18, 2026
Blue StarnounMWEsubshrubs of southeastern United States forming slow-growing clumps and having blue flowers in short terminal cymesverifiedMay 18, 2026
Blue StonenounMWEhydrated blue crystalline form of copper sulfateverifiedMay 18, 2026
Blue StorynounMWEan indelicate jokeverifiedMay 18, 2026
Blue SuccorynounMWEsouth European plant having dark-eyed flowers with flat blue raysverifiedMay 18, 2026
Blue TeamnounMWE1. The group responsible for defending an enterprise’s use of information systems by maintaining its security posture against a group of mock attackers (i.e., the Red Team). Typically the Blue Team and its supporters must defend against real or simulated attacks 1) over a significant period of time, 2) in a representative operational context (e.g., as part of an operational exercise), and 3) according to rules established and monitored with the help of a neutral group refereeing the simulation or exercise (i.e., the White Team). 2. The term Blue Team is also used for defining a group of individuals that conduct operational network vulnerability evaluations and provide mitigation techniques to customers who have a need for an independent technical review of their network security posture. The Blue Team identifies security threats and risks in the operating environment, and in cooperation with the customer, analyzes the network environment and its current state of security readiness. Based on the Blue Team findings and expertise, they provide recommendations that integrate into an overall community security solution to increase the customer's cyber security readiness posture. Often times a Blue Team is employed by itself or prior to a Red Team employment to ensure that the customer's networks are as secure as possible before having the Red Team test the systems.OrganizationMay 12, 2026
Blue ThistlenounMWEa coarse prickly European weed with spikes of blue flowersverifiedMay 18, 2026
Blue TitnounMWEwidely distributed European titmouse with bright cobalt blue wings and tail and crown of the headverifiedMay 18, 2026
Blue ToadflaxnounMWENorth American plant having racemes of blue-violet flowersverifiedMay 18, 2026
Blue TulipnounMWEshort hairy perennial with early spring blue-violet or lilac flowersverifiedMay 18, 2026
Blue VitriolnounMWEhydrated blue crystalline form of copper sulfateverifiedMay 18, 2026
Blue WallnounMWEthe secrecy of police officers who lie or look the other way to protect other police officersverifiedMay 18, 2026
Blue Wall of SilencenounMWEthe secrecy of police officers who lie or look the other way to protect other police officersverifiedMay 18, 2026
Blue WalleyenounMWEvariety inhabiting the Great LakesverifiedMay 18, 2026
Blue WhalenounMWElargest mammal ever knownverifiedMay 18, 2026
Blue-Bellynouncommon western lizardverifiedMay 18, 2026
Blue-Blindnessnounrare form of dichromacy characterized by a lowered sensitivity to blue light resulting in an inability to distinguish blue and yellowverifiedMay 18, 2026
Blue-Chip StocknounMWEa common stock of a nationally known company whose value and dividends are reliableverifiedMay 18, 2026
Blue-Eyed African DaisynounMWEbushy perennial of South Africa with white or violet flowersverifiedMay 18, 2026
Blue-Eyed GrassnounMWEplant with grasslike foliage and delicate blue flowersverifiedMay 18, 2026
Blue-Eyed MarynounMWEeastern United States plant with whorls of blue-and-white flowersverifiedMay 18, 2026
Blue-Green AlgaenounMWEpredominantly photosynthetic prokaryotic organisms containing a blue pigment in addition to chlorophyllverifiedMay 18, 2026
Blue-Headed VireonounMWEcommon vireo of northeastern North America with bluish slaty-grey headverifiedMay 18, 2026
Blue-Winged TealnounMWEAmerican tealverifiedMay 18, 2026
Blueback SalmonnounMWEsmall salmon with red fleshverifiedMay 18, 2026
Bluebellnounone of the most handsome prairie wildflowers having large erect bell-shaped bluish flowersverifiedMay 18, 2026
Blueberrynounsweet edible dark-blue berries of either low-growing or high-growing blueberry plantsverifiedMay 18, 2026
Blueberry BushnounMWEany of numerous shrubs of the genus Vaccinium bearing blueberriesverifiedMay 18, 2026
Blueberry PienounMWEpie containing blueberries and sugarverifiedMay 18, 2026
Blueberry RootnounMWEtall herb of eastern North America and Asia having blue berrylike fruit and a thick knotty rootstock formerly used medicinallyverifiedMay 18, 2026
Blueberry YogurtnounMWEyogurt with sweetened blueberries or blueberry jamverifiedMay 18, 2026
Bluebillnoundiving ducks of North America having a bluish-grey billverifiedMay 18, 2026
Bluebirdnounfruit-eating mostly brilliant blue songbird of the East IndiesverifiedMay 18, 2026
Bluebonnetnounlow-growing annual herb of southwestern United States (Texas) having silky foliage and blue flowersverifiedMay 18, 2026
Bluebottlenounan annual Eurasian plant cultivated in North America having showy heads of blue or purple or pink or white flowersverifiedMay 18, 2026
Bluecoatnouna person dressed all in blue (as a soldier or sailor)verifiedMay 18, 2026
Bluefinnounflesh of very large tunaverifiedMay 18, 2026
Bluefin TunanounMWEflesh of very large tunaverifiedMay 18, 2026
Bluefishnounbluish warm-water marine food and game fish that follow schools of small fishes into shallow watersverifiedMay 18, 2026
Bluegillnounimportant edible sunfish of eastern and central United StatesverifiedMay 18, 2026
Bluegrassnouna type of country music played at a rapid tempo on banjos and guitarsverifiedMay 18, 2026
Blueheadnounsmall Atlantic wrasse the male of which has a brilliant blue headverifiedMay 18, 2026
Blueingnounused to whiten laundry or hair or give it a bluish tingeverifiedMay 18, 2026
Bluejack OaknounMWEsmall semi-evergreen shrubby tree of southeastern United States having hairy young branchlets and leaves narrowing to a slender bristly pointverifiedMay 18, 2026
Bluejacketnouna serviceman in the navyverifiedMay 18, 2026
Bluenessnounblue color or pigmentverifiedMay 18, 2026
Bluenosenouna native or inhabitant of Nova ScotiaverifiedMay 18, 2026
Bluepointnounoysters originally from Long Island Sound but now from anywhere along the northeastern seacoastverifiedMay 18, 2026
Blueprint PapernounMWEsensitized paper used to make blueprintsverifiedMay 18, 2026
Bluestemnountall grass with smooth bluish leaf sheaths grown for hay in the United StatesverifiedMay 18, 2026
Bluestem WheatgrassnounMWEvaluable forage grass of western United StatesverifiedMay 18, 2026
Bluestockingnouna woman having literary or intellectual interestsverifiedMay 18, 2026
Bluethroatnounsongbird of northern Europe and AsiaverifiedMay 18, 2026
Bluethroat PikeblennynounMWEfound from Florida to CubaverifiedMay 18, 2026
Blueticknouna very fast American houndverifiedMay 18, 2026
Bluetonguenouna viral disease of sheep and cattle that is transmitted by biting midgesverifiedMay 18, 2026
Blueweednouna coarse prickly European weed with spikes of blue flowersverifiedMay 18, 2026
BluewingnounAmerican tealverifiedMay 18, 2026
Bluffernouna person who tries to bluff other peopleverifiedMay 18, 2026
Bluffnessnoungood-natured franknessverifiedMay 18, 2026
Bluingnounused to whiten laundry or hair or give it a bluish tingeverifiedMay 18, 2026
Blunderbussnouna short musket of wide bore with a flared muzzleverifiedMay 18, 2026
Blunderernounsomeone who makes mistakes because of incompetenceverifiedMay 18, 2026
Blunt FilenounMWEa file with parallel edgesverifiedMay 18, 2026
Blunt TraumanounMWEinjury incurred when the human body hits or is hit by a large outside object (as a car)verifiedMay 18, 2026
Blunt-Leaf HeathnounMWEsmall erect shrub of Australia and Tasmania with fragrant ivory flowersverifiedMay 18, 2026
Bluntnessnounwithout sharpness or clearness of edge or pointverifiedMay 18, 2026
Blurbnouna promotional statement, as found on the dust jackets of booksverifiedMay 18, 2026
Blurrinessnounthe quality of being indistinct and without sharp outlinesverifiedMay 18, 2026
Blush WinenounMWEpinkish table wine from red grapes whose skins were removed after fermentation beganverifiedMay 18, 2026