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Glossary · Nouns · B

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TermTypeDefinitionClassificationsUpdated
Bowstringnounthe string of an archer's bowverifiedMay 18, 2026
Bowstring HempnounMWEgrown as a houseplant for its mottled fleshy sword-shaped leaves or as a source of fiberverifiedMay 18, 2026
Bowtie PastanounMWEpasta shaped with scalloped edges and pinched in the middle, suggestive of a bow tieverifiedMay 18, 2026
Box BeamnounMWEa beam built up from boardsverifiedMay 18, 2026
Box CalfnounMWEblack calfskin leather tanned with chromium saltsverifiedMay 18, 2026
Box CameranounMWEa simple camera shaped like a rectangular boxverifiedMay 18, 2026
Box CoatnounMWEa short coat that hangs loosely from the shouldersverifiedMay 18, 2026
Box EldernounMWEcommon shade tree of eastern and central United StatesverifiedMay 18, 2026
Box End WrenchnounMWEa wrench with a closed loop (a socket) that fits over a nut or bolt headverifiedMay 18, 2026
Box FamilynounMWEwidely distributed evergreen shrubs and treesverifiedMay 18, 2026
Box GirdernounMWEa beam built up from boardsverifiedMay 18, 2026
Box HuckleberrynounMWEcreeping evergreen shrub of southeastern United States having small shiny boxlike leaves and flavorless berriesverifiedMay 18, 2026
Box KitenounMWEa kite shaped like a box open at both endsverifiedMay 18, 2026
Box KodaknounMWEa simple camera shaped like a rectangular boxverifiedMay 18, 2026
Box NumbernounMWEthe number of a letter box at the post office where mail is collectedverifiedMay 18, 2026
Box OfficenounMWEthe office where tickets of admission are soldverifiedMay 18, 2026
Box PleatnounMWEa flat double pleat made by folding under the fabric on either side of itverifiedMay 18, 2026
Box SeatnounMWEa special seat in a theater or grandstand boxverifiedMay 18, 2026
Box SpringnounMWEa coiled bedspring in a frame that is covered with clothverifiedMay 18, 2026
Box TortoisenounMWEchiefly terrestrial turtle of North AmericaverifiedMay 18, 2026
Box TurtlenounMWEchiefly terrestrial turtle of North AmericaverifiedMay 18, 2026
Box White OaknounMWEsmall deciduous tree of eastern and central United States having dark green lyrate pinnatifid leaves and tough moisture-resistant wood used especially for fence postsverifiedMay 18, 2026
Box WrenchnounMWEa wrench with a closed loop (a socket) that fits over a nut or bolt headverifiedMay 18, 2026
Boxberrynouncreeping woody plant of eastern North America with shiny evergreen leaves and scarlet berriesverifiedMay 18, 2026
Boxcarnouna freight car with roof and sliding doors in the sidesverifiedMay 18, 2026
Boxernouna breed of stocky medium-sized short-haired dog with a brindled coat and square-jawed muzzle developed in GermanyverifiedMay 18, 2026
Boxershortsnoununderpants worn by menverifiedMay 18, 2026
Boxfishnounany of numerous small tropical fishes having body and head encased in bony platesverifiedMay 18, 2026
Boxfulnounthe quantity contained in a boxverifiedMay 18, 2026
Boxingnounthe enclosure of something in a package or boxverifiedMay 18, 2026
Boxing EquipmentnounMWEequipment used in boxingverifiedMay 18, 2026
Boxing GlovenounMWEboxing equipment consisting of big and padded coverings for the fists of the fightersverifiedMay 18, 2026
Boxing MatchnounMWEa match between boxersverifiedMay 18, 2026
Boxing RingnounMWEa square ring where boxers fightverifiedMay 18, 2026
Boxthornnounany of various shrubs or vines of the genus Lycium with showy flowers and bright berriesverifiedMay 18, 2026
Boxwoodnounvery hard tough close-grained light yellow wood of the box (particularly the common box)verifiedMay 18, 2026
Boynoun(ethnic slur) offensive and disparaging term for Black manverifiedMay 18, 2026
Boy ScoutnounMWEa man who is considered naiveverifiedMay 18, 2026
Boy WondernounMWEan extremely talented young male personverifiedMay 18, 2026
Boyfriendnouna man who is the lover of another personverifiedMay 18, 2026
Boyhoodnounthe childhood of a boyverifiedMay 18, 2026
Boyishnessnounbeing characteristic of a boyverifiedMay 18, 2026
Boys-And-GirlsnounEurafrican annual naturalized in America as a weedverifiedMay 18, 2026
Boysenberrynouncultivated hybrid bramble of California having large dark wine-red fruit with a flavor resembling raspberriesverifiedMay 18, 2026
Boysenberry BushnounMWEcultivated hybrid bramble of California having large dark wine-red fruit with a flavor resembling raspberriesverifiedMay 18, 2026
Bozonouna man who is a stupid incompetent foolverifiedMay 18, 2026
Bpinouna measure of how densely information is packed on a storage mediumverifiedMay 18, 2026
Bpmnounthe pace of music measured by the number of beats occurring in 60 secondsverifiedMay 18, 2026
Bpsnounthe rate at which data is transferred, as by a modem; stands for bits per secondverifiedMay 18, 2026
Branounan undergarment worn by women to support their breastsverifiedMay 18, 2026
Brace and BitnounMWEa drill consisting of a bit and a brace to hold and turn itverifiedMay 18, 2026
Brace WrenchnounMWEa wrench shaped like a brace (has a handle shaped like a crank) and a socket headverifiedMay 18, 2026
Braceletnouna band of cloth or leather or metal links attached to a wristwatch and wrapped around the wristverifiedMay 18, 2026
Bracelet WoodnounMWEsmall West Indian shrub or tree with hard glossy seeds patterned yellow and brown that are used to make braceletsverifiedMay 18, 2026
Bracernouna protective covering for the wrist or arm that is used in archery and fencing and other sportsverifiedMay 18, 2026
Braceronouna Mexican laborer who worked in the United States on farms and railroads in order to ease labor shortages during World War IIverifiedMay 18, 2026
Brachial ArterynounMWEthe main artery of the upper armverifiedMay 18, 2026
Brachial PlexusnounMWEa network of nerves formed by cervical and thoracic spinal nerves and supplying the arm and parts of the shoulderverifiedMay 18, 2026
Brachial VeinnounMWEtwo veins in either arm that accompany the brachial artery and empty into the axillary veinverifiedMay 18, 2026
Brachiationnounswinging by the arms from branch to branchverifiedMay 18, 2026
Brachiocephalic VeinnounMWEveins formed by the union of the internal jugular and subclavian veinsverifiedMay 18, 2026
Brachiumnoun(biology) a branching or armlike part of an animalverifiedMay 18, 2026
Brachycephalismnounthe quality of being brachycephalicverifiedMay 18, 2026
Brachycephalynounthe quality of being brachycephalicverifiedMay 18, 2026
Brachydactylianounabnormal shortness of fingers and toesverifiedMay 18, 2026
Brachydactylynounabnormal shortness of fingers and toesverifiedMay 18, 2026
Brachyurannountypical crabsverifiedMay 18, 2026
Brackennounlarge coarse fern often several feet highverifiedMay 18, 2026
Bracket CreepnounMWEa movement into a higher tax bracket as taxable income increasesverifiedMay 18, 2026
Bracket FungusnounMWEa woody fungus that forms shelflike sporophores on tree trunks and wood structuresverifiedMay 18, 2026
Bracketed BlennynounMWEsmall eellike fishes common in shallow waters of the northern AtlanticverifiedMay 18, 2026
Brackishnessnounthe quality of being salty, as the saltiness of waterverifiedMay 18, 2026
Bractnouna modified leaf or leaflike part just below and protecting an inflorescenceverifiedMay 18, 2026
Bracteolenouna small bractverifiedMay 18, 2026
Bractletnouna small bractverifiedMay 18, 2026
Bradawlnounan awl for making small holes for brads or small screwsverifiedMay 18, 2026
Bradycardianounabnormally slow heartbeatverifiedMay 18, 2026
Braenouna slope or hillsideverifiedMay 18, 2026
Braggadocionounvain and empty boastingverifiedMay 18, 2026
Braggernouna very boastful and talkative personverifiedMay 18, 2026
Brahmannouna member of a social and cultural elite (especially a descendant of an old New England family)verifiedMay 18, 2026
Brahminnouna member of a social and cultural elite (especially a descendant of an old New England family)verifiedMay 18, 2026
Braidingnountrimming used to decorate clothes or curtainsverifiedMay 18, 2026
Brain CellnounMWEa nerve cell in the brainverifiedMay 18, 2026
Brain CoralnounMWEmassive reef-building coral having a convoluted and furrowed surfaceverifiedMay 18, 2026
Brain DamagenounMWEinjury to the brain that impairs its functions (especially permanently)verifiedMay 18, 2026
Brain DeathnounMWEdeath when respiration and other reflexes are absentverifiedMay 18, 2026
Brain DiseasenounMWEany disorder or disease of the brainverifiedMay 18, 2026
Brain DisordernounMWEany disorder or disease of the brainverifiedMay 18, 2026
Brain DoctornounMWEa medical specialist in the nervous system and the disorders affecting itverifiedMay 18, 2026
Brain DrainnounMWEdepletion or loss of intellectual and technical personnelverifiedMay 18, 2026
Brain DumpnounMWEa document or event where the details of what someone knows are shared, typically on a large or complex topicverifiedMay 18, 2026
Brain EdemanounMWEswelling of the brain due to the uptake of water in the neuropile and white matterverifiedMay 18, 2026
Brain FevernounMWEmeningitis caused by bacteria and often fatalverifiedMay 18, 2026
Brain MushroomnounMWEa poisonous gyromitraverifiedMay 18, 2026
Brain SugarnounMWEa simple sugar found in lactoseverifiedMay 18, 2026
Brain SurgeonnounMWEsomeone who does surgery on the nervous system (especially the brain)verifiedMay 18, 2026
Brain SurgerynounMWEsomething very difficultverifiedMay 18, 2026
Brain TrustnounMWEan inner circle of unofficial advisors to the head of a governmentverifiedMay 18, 2026
Brain TrusternounMWEan expert adviser involved in making important decisions but usually lacking official statusverifiedMay 18, 2026