Having two flaps or cusps. The heart valve that is called the bicuspid valve is located between the left atrium and left ventricle. Although the aortic valve in the heart normally is tricuspid (with three cusps), it may sometimes be bicupid.
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1. Having two points, prongs, or cusps. 2. Teeth having two cusps. Humans have eight b. or premolar teeth : two in front of each group of molars. See b. tooth. [bi- + L. cuspis, point]
- b. aortic valve See familial aortic ectasia syndrome.

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bi·cus·pid (')bī-'kəs-pəd adj having or ending in two points <\bicuspid teeth>
bicuspid n either of the two double-pointed teeth that in humans are situated between the canines and the molars on each side of each jaw: PREMOLAR (1)

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1. adj. having two cusp, as in the premolar teeth and the mitral valve of the heart.
2. n. (in the USA) a premolar tooth.

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bi·cus·pid (bi-kusґpid) [bi- + cuspid] 1. having two cusps or points. 2. (pl.) premolar teeth.

Medical dictionary. 2011.

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  • bicuspid — BICUSPÍD, Ă, bicuspizi, de, adj. (Despre unele formaţii anatomice) cu două vârfuri. – Din fr. bicuspide. Trimis de paula, 21.06.2002. Sursa: DEX 98  bicuspíd adj. m., pl. bicuspízi; f. sg. bicuspídă, pl …   Dicționar Român

  • bicuspid — (adj.) 1826, having two parts, from BI (Cf. bi ) + L. cuspidem cusp, point. As a noun, short for bicuspid molar, attested from 1837 …   Etymology dictionary

  • bicuspid — [bī kus′pi dāt΄bī kus′pid] adj. [ModL bicuspis < BI 1 + L cuspis (gen. cuspidis), CUSP] having two points [a bicuspid tooth]: also bicuspidate [bī kus′pi dāt΄] n. any of eight adult teeth with two pointed crowns; premolar tooth: see TEETH …   English World dictionary

  • Bicuspid — Bi*cus pid, Bicuspidate Bi*cus pid*ate, a. [See pref. {Bi }, and {Cuspidate}.] Having two points or prominences; ending in two points; said of teeth, leaves, fruit, etc. [1913 Webster] …   The Collaborative International Dictionary of English

  • Bicuspid — Bi*cus pid, 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. [1913 Webster] …   The Collaborative International Dictionary of English

  • bicuspid — ► ADJECTIVE ▪ having two cusps or points. ► NOUN ▪ a tooth with two cusps, especially a human premolar tooth. ORIGIN from Latin cuspis sharp point …   English terms dictionary

  • bicuspid — I. adjective Etymology: New Latin bicuspid , bicuspis, from bi + Latin cuspid , cuspis point Date: circa 1839 having or ending in two points < bicuspid teeth > II. noun Date: 1852 a human premolar tooth see tooth illustration …   New Collegiate Dictionary

  • bicuspid valve — n. MITRAL VALVE * * * …   Universalium

  • bicuspid valve — n. MITRAL VALVE …   English World dictionary

  • Bicuspid aortic valve — Infobox Disease Name = Bicuspid aortic valve Caption = DiseasesDB = 1392 ICD10 = ICD9 = ICD9|746.4 ICDO = OMIM = 109730 MedlinePlus = eMedicineSubj = ped eMedicineTopic = 2486 MeshID = A bicuspid aortic valve is a defect of the aortic valve that… …   Wikipedia

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