tricuspid
/tɹaɪˈkʌspɪd/ adjective, noun
Forms tricuspids
- adjective (dentistry) Having three cusps, e.g. a molar tooth
- adjective (anatomy) Describing the valve, between the right atrium and ventricle of the heart, that has three triangular segments
- noun A molar tooth that has three cusps
Synonyms
Etymology
L. tricuspis, -idis; tri- (see Tri-) + cuspis a point: cf. F. tricuspide.
Webster’s 1913
- adjective Having three cusps, or points; tricuspidate; as, a tricuspid molar.
- adjective Of or pertaining to the tricuspid valves; as, tricuspid obstruction. Tricuspid valve (Anat.), the valve, consisting of three triangular membranous flaps, at the opening of the right auricle into the right ventricle in the heart of most mammals; --sometimes called the tricuspid valves, each flap being regarded as a valve.
Sources: Wiktionary · WordNet 3.0 · Webster’s 1913 — from the Wiktionary entry “tricuspid”, CC BY-SA 4.0. Details