Definitions
American Heritage® Dictionary of the English Language, Fourth Edition
- adj. Having two points or cusps, as the crescent moon.
- n. A bicuspid tooth, especially a premolar.
Century Dictionary and Cyclopedia
- Having two points, fangs, or cusps.
- Specifically applied — In geometry, to a curve having two cusps, In human anatomy, to the premolar teeth or false molars, of which there are two on each side above and below, replacing the milk-molars; to the mitral valve guarding the left auriculoventricular orifice of the heart, the corresponding right orifice being guarded by the tricuspid valve, In entomology, to a claw or mandible having two pointed processes or teeth. Also bicuspidal, bicuspidate.
- n. One of the premolars or false molars in man, of which there are in the adult two on each side, above and below, between the canines and the true molars. They are the teeth which succeed and replace the milk-molars of the child. Also bicuspis.
Wiktionary
GNU Webster's 1913
- adj. Having two points or prominences; ending in two points; -- said of teeth, leaves, fruit, etc.
- n. (Anat.) One of the two double-pointed teeth which intervene between the canines (cuspids) and the molars, on each side of each jaw. See tooth, n.
WordNet 3.0
- adj. having two cusps or points (especially a molar tooth)
- n. a tooth having two cusps or points; located between the incisors and the molars
Etymologies
- New Latin bicuspis, bicuspid- : Latin bi-, two; see bi-1 + Latin cuspis, sharp point. (American Heritage® Dictionary of the English Language, Fourth Edition)
Examples
“Mine was caused by a congenital defect I was born with called a bicuspid aortic valve.”
“The auriculo-ventricular valve in the left side is composed of two flaps, hence it is called the bicuspid valve; in the right side this valve has three flaps and is called the tricuspid valve.”
“Boone will have the operation - technically called bicuspid aortic valve aneurysm surgery - at Stanford University Hospital in California, and he plans to schedule it in the coming days.”
“The left valve has two flaps and is called the bicuspid (or mitral) valve, while the right valve has 3 flaps and is called the tricuspid valve.”
“The first, or most anterior pre-molar of the lower jaw has one predominant cusp or cone; the second, like both in the upper jaw, is "bicuspid," or bi-tuberculate, as in man.”
“These were anchored to the one remaining tooth, a lower left bicuspid.”
“Sometimes children with this heart defect can also have a ventricular septal defect, a hole between the lower chambers of the heart, or a bicuspid aortic valve, which means the valve has two flaps instead of three.”
“First tooth arrives - a maxillary lateral incisor - though status-conscious parents describe it to relatives as a bicuspid.”
The Huffington Post: Gregory Beyer: Life of Bro: A Chronology
“The words: glop; rash; Lady Gaga; swerve; tapas; BP; ginormous; museum; dental; frisky; wireless; infomercial; asparagus; tuba; goalie; hyperventilate; pineapple; squishy; projectile; dinner; tea bag; harpsichord; Cuisinart; New Yorker cartoon; Metro; muskrat; vacation; Lindsay; strewn; ziti; zit; Secretariat; Tupperware; apple; escalator; trophy; Slurpee; effete; acid-free; parental control; venison; fastball; martini; status; otter; bicuspid; Fenty; anagram; chronic; Santa.”
“Got Bluetooth wireless implanted in my bicuspid today.”
Lists
These user-created lists contain the word ‘bicuspid’.
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bi-
two; twice; every two; lasting two
biathlon, biannual, bicentennial, biennial, bisexual, binoculars, bigamy, biscotti, bilabial, bicep, bicuspid, bicycle and 19 more...
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sionnach's Words
contumely, fomite, holmgang, poltroon, eleemosynary, obsidian, nugatory, grindcore, felch, recrudescent, pyx, parenteral and 3271 more...
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librarygoblin's words
crystal, ghost, mist, snow, labyrinth, citadel, tomb, mystery, arcane, conundrum, echo, dynamo and 389 more...
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1906 Railway Cipher Code
Terms from the Standard Cipher Code of the American Railway Association, 1906. The terms were shorthand for common phrases used in telegraphic communications between station agents and Railway Asso...
abdominal, abetting, abiology, ablative, abnormal, abominate, aboveboard, abrasive, absinth, abstinent, accursed, acetate and 212 more...
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Words of Dinosaurology
This quickly got bigger and weirder than originally intended, so now it's housing terms that relate to the study of dinosaurs and other prehistoric creatures. See also Dinosaurs, Pterosaurs, Ichthy...
zygopophyses, ziphodont, plesiomorphic, cleidoic, endothermy, ectothermy, viviparous, vertebrae, cervical, dorsal, sacral, caudal and 628 more...
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InstantWordPower
sesquipedalian, optometrist, quadruped, biped, bimonthly, bifocal, bicuspid, bivalve, quadraphonic, quadruplet, quadruple, quadrilateral and 107 more...
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MacBean's Words
verisimilitude, antediluvian, schadenfreude, eviscerate, exsanguinate, onomatopoeia, aesthetic, apocryphal, aubergine, byronic, brouhaha, bordello and 523 more...
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expert
words that experts know.
cacique, erethism, o.p.a.c., performativity, telnet, bibliometrics, n.u.f.a.n., levy, copy catalog, repurpose, tattle tape, syncretic and 36 more...
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phizzwizard's Words
schwa, troglodyte, placket, mundungus, dungaree, flibbertigibbet, slubberdegullion, picket, deinonychus, eschew, persnickety, bicuspid and 6 more...
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William Steig
Linguistic exuberance from the childrens' books of William Steig
palsy-walsy, squoze, goosewit, oodles, as real as peas a..., clabber cheese, feeling his onions, lard, noggin, bantling, alackaday, flabbergasted and 55 more...
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my favorite words
precarious, kismet, verisimilitude, surreptitious, nepotism, profundity, olfactory, cryptomnesia, tintinnabulation, metanoia, aerate, unctuous and 13 more...
Tweets
Looking for tweets for bicuspid.

hernesheir "Bill of lading not endorsed", in the abbreviated jargon of railway telegraphers. --US Railway Association, Standard Cipher Code, 1906. Jan 20, 2013
yarb The fox had a rotten bicuspid and unusually bad breath.
- William Steig, Doctor De Soto Oct 27, 2008