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Glossary · Nouns · B

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TermTypeDefinitionClassificationsUpdated
Bullbriernouna very prickly woody vine of the eastern United States growing in tangled masses having tough round stems with shiny leathery leaves and small greenish flowers followed by clusters of inedible shiny black berriesverifiedMay 18, 2026
Bulldog AntnounMWEany of the large fierce Australian ants of the genus MyrmeciaverifiedMay 18, 2026
Bulldog ClipnounMWEa clip with a spring that closes the metal jawsverifiedMay 18, 2026
Bulldog WrenchnounMWEa wrench designed to provide a firm grip on somethingverifiedMay 18, 2026
Bulldozernounlarge powerful tractorverifiedMay 18, 2026
Bulletnoun(baseball) a pitch thrown with maximum velocityverifiedMay 18, 2026
Bullet FingerprintingnounMWEidentification of the gun that fired a bullet from an analysis of the unique marks that every gun makes on the bullet it fires and on the shell ejected from itverifiedMay 18, 2026
Bullet HolenounMWEa hole made by a bullet passing through itverifiedMay 18, 2026
Bullet TrainnounMWEa high-speed passenger trainverifiedMay 18, 2026
Bulletheadnouna head shaped like a bulletverifiedMay 18, 2026
Bulletin BoardnounMWEa computer that is running software that allows users to leave messages and access information of general interestverifiedMay 18, 2026
Bulletin Board SystemnounMWEa computer that is running software that allows users to leave messages and access information of general interestverifiedMay 18, 2026
Bulletproof VestnounMWEa vest capable of resisting the impact of a bulletverifiedMay 18, 2026
Bullfightnouna Spanish or Portuguese or Latin American spectacleverifiedMay 18, 2026
Bullfighternounsomeone who fights bullsverifiedMay 18, 2026
Bullfightingnounthe activity at a bullfightverifiedMay 18, 2026
Bullfinchnouncommon European finch mostly black and white with red throat and breastverifiedMay 18, 2026
Bullfrognounlargest North American frogverifiedMay 18, 2026
Bullheadnounfreshwater sculpin with a large flattened bony-plated head with hornlike spinesverifiedMay 18, 2026
Bullhead CatfishnounMWEany of several common freshwater catfishes of the United StatesverifiedMay 18, 2026
Bullheadednessnounresolute adherence to your own ideas or desiresverifiedMay 18, 2026
Bullhornnouna portable loudspeaker with built-in microphone and amplifierverifiedMay 18, 2026
Bullionnoungold or silver in bars or ingotsverifiedMay 18, 2026
Bullnosenouna small carpenter's plane with the cutting edge near the frontverifiedMay 18, 2026
Bullnosed PlanenounMWEa small carpenter's plane with the cutting edge near the frontverifiedMay 18, 2026
Bullocknouncastrated bullverifiedMay 18, 2026
Bullock BlocknounMWEa pulley-block at the head of a topmastverifiedMay 18, 2026
Bullock's HeartnounMWEsmall tropical American tree bearing a bristly heart-shaped acid tropical fruitverifiedMay 18, 2026
Bullock's Heart TreenounMWEsmall tropical American tree bearing a bristly heart-shaped acid tropical fruitverifiedMay 18, 2026
Bullpennouna large cell where prisoners (people awaiting trial or sentence or refugees or illegal immigrants) are confined together temporarilyverifiedMay 18, 2026
Bullringnouna stadium where bullfights take placeverifiedMay 18, 2026
Bullrushnountall rush with soft erect or arching stems found in Eurasia, Australia, New Zealand, and common in North AmericaverifiedMay 18, 2026
Bullshotnouna cocktail made with vodka and beef bouillon or consommeverifiedMay 18, 2026
Bullterriernouna powerful short-haired terrier originated in England by crossing the bulldog with terriersverifiedMay 18, 2026
Bully BeefnounMWEbeef cured or pickled in brineverifiedMay 18, 2026
Bully PulpitnounMWEa public office of sufficiently high rank that it provides the holder with an opportunity to speak out and be listened to on any matterverifiedMay 18, 2026
Bully TreenounMWEa tropical hardwood tree yielding balata gum and heavy red timberverifiedMay 18, 2026
Bullyboynouna swaggering toughverifiedMay 18, 2026
Bulrushnountall rush with soft erect or arching stems found in Eurasia, Australia, New Zealand, and common in North AmericaverifiedMay 18, 2026
Bulrush MilletnounMWEtall grass having cattail like spikesverifiedMay 18, 2026
Bumblebeenounrobust hairy social bee of temperate regionsverifiedMay 18, 2026
Bumblernounsomeone who makes mistakes because of incompetenceverifiedMay 18, 2026
Bumboatnouna small boat that ferries supplies and commodities for sale to a larger ship at anchorverifiedMay 18, 2026
Bumfnounreading materials (documents, written information) that you must read and deal with but that you think are extremely boringverifiedMay 18, 2026
Bummernounan experience that is irritating or frustrating or disappointingverifiedMay 18, 2026
Bumpernouna mechanical device consisting of bars at either end of a vehicle to absorb shock and prevent serious damageverifiedMay 18, 2026
Bumper CarnounMWEa small low-powered electrically powered vehicle driven on a special platform where there are many others to be dodgedverifiedMay 18, 2026
Bumper GuardnounMWEvertical bars attached to a bumper to prevent locking bumpers with another vehicleverifiedMay 18, 2026
Bumper JacknounMWEa jack for lifting a motor vehicle by the bumperverifiedMay 18, 2026
Bumphnounreading materials (documents, written information) that you must read and deal with but that you think are extremely boringverifiedMay 18, 2026
Bumpinessnounthe texture of a surface that has many bumpsverifiedMay 18, 2026
Bumpkinnouna person who is not very intelligent or interested in cultureverifiedMay 18, 2026
Bumptiousnessnounoffensive boldness and assertivenessverifiedMay 18, 2026
Bunanounmade by polymerizing butadieneverifiedMay 18, 2026
Buna RubbernounMWEmade by polymerizing butadieneverifiedMay 18, 2026
Buncenouna sudden happening that brings good fortune (as a sudden opportunity to make money)verifiedMay 18, 2026
Bunchberrynouncreeping perennial herb distinguished by red berries and clustered leaf whorls at the tips of shootsverifiedMay 18, 2026
Bunchgrassnounany of various grasses of many genera that grow in tufts or clumps rather than forming a sod or matverifiedMay 18, 2026
Bunco GamenounMWEa swindle in which you cheat at gambling or persuade a person to buy worthless propertyverifiedMay 18, 2026
Buncombenoununacceptable behavior (especially ludicrously false statements)verifiedMay 18, 2026
Bundle of HisnounMWEa bundle of modified heart muscle that transmits the cardiac impulse from the atrioventricular node to the ventricles causing them to contractverifiedMay 18, 2026
Bundlingnouna onetime custom during courtship of unmarried couples occupying the same bed without undressingverifiedMay 18, 2026
Bunfightnoun(Briticism) a grand formal party on an important occasionverifiedMay 18, 2026
Bungalownouna small house with a single storyverifiedMay 18, 2026
Bungeenounan elasticized ropeverifiedMay 18, 2026
Bungee CordnounMWEan elasticized ropeverifiedMay 18, 2026
Bungholenouna hole in a barrel or caskverifiedMay 18, 2026
Bunglernounsomeone who makes mistakes because of incompetenceverifiedMay 18, 2026
Bunionnouna painful swelling of the bursa of the first joint of the big toeverifiedMay 18, 2026
Bunji-BunjinounAustralian timber tree whose bark yields a poisonverifiedMay 18, 2026
Bunk BednounMWEbeds built one above the otherverifiedMay 18, 2026
Bunker MentalitynounMWEdefensiveness resulting from repeated attacksverifiedMay 18, 2026
Bunkmatenounsomeone who occupies the same sleeping quarters as yourselfverifiedMay 18, 2026
Bunkonouna swindle in which you cheat at gambling or persuade a person to buy worthless propertyverifiedMay 18, 2026
Bunko GamenounMWEa swindle in which you cheat at gambling or persuade a person to buy worthless propertyverifiedMay 18, 2026
Bunkumnoununacceptable behavior (especially ludicrously false statements)verifiedMay 18, 2026
Bunnynounan informal term for a rabbit, especially a young one -- can be used with or without the clarifier "rabbit" followingverifiedMay 18, 2026
Bunny GirlnounMWEa young waitress in a nightclub whose costume includes the tail and ears of a rabbitverifiedMay 18, 2026
Bunny HugnounMWEa syncopated ballroom dance formerly popular in the USverifiedMay 18, 2026
Bunny RabbitnounMWE(usually informal) especially a young rabbitverifiedMay 18, 2026
Bunsnounthe fleshy part of the human body that you sit onverifiedMay 18, 2026
Bunsennouna gas burner used in laboratoriesverifiedMay 18, 2026
Bunsen BurnernounMWEa gas burner used in laboratoriesverifiedMay 18, 2026
Buntalnounfine white Philippine fiber from stalks of unopened leaves of talipot palmsverifiedMay 18, 2026
Bunternouna batter who buntsverifiedMay 18, 2026
Buntingnounany of numerous seed-eating songbirds of Europe or North AmericaverifiedMay 18, 2026
Bunya BunyanounMWEAustralian conifer bearing two-inch seeds tasting like roasted chestnutsverifiedMay 18, 2026
Bunya Bunya TreenounMWEAustralian conifer bearing two-inch seeds tasting like roasted chestnutsverifiedMay 18, 2026
Bunyavirusnounan animal virus belonging to the family BunyaviridaeverifiedMay 18, 2026
Buoyancynounthe property of something weightless and insubstantialverifiedMay 18, 2026
Bur MarigoldnounMWEany of several plants of the genus Bidens having yellow flowers and prickly fruits that cling to fur and clothingverifiedMay 18, 2026
Bur OaknounMWEmedium to large deciduous oak of central and eastern North America with ovoid acorns deeply immersed in large fringed cupsverifiedMay 18, 2026
Bur ReednounMWEmarsh plant having elongated linear leaves and round prickly fruitverifiedMay 18, 2026
Bur-Reed FamilynounMWEcoextensive with the genus SparganiumverifiedMay 18, 2026
Burbotnounelongate freshwater cod of northern Europe and Asia and North America having barbels around its mouthverifiedMay 18, 2026
Burden of ProofnounMWEthe duty of proving a disputed chargeverifiedMay 18, 2026
Burdensomenessnoununwelcome burdensome difficultyverifiedMay 18, 2026
Burdocknounany of several erect biennial herbs of temperate Eurasia having stout taproots and producing bursverifiedMay 18, 2026
Bureaunounfurniture with drawers for keeping clothesverifiedMay 18, 2026
Bureau De ChangenounMWE(French) an establishment where you can exchange foreign moneyverifiedMay 18, 2026