tricuspid

• POS: Adjective, Noun
• HYPHEN: tri=cus=pid

CIDE DICTIONARY

tricuspid, a. [L. tricuspis, -idis; tri- (see Tri-) + cuspis a point: cf. F. tricuspide.].

•  Having three cusps, or points; tricuspidate; as, a tricuspid molar.  [1913 Webster]
•  Of or pertaining to the tricuspid valves; as, tricuspid obstruction.  [1913 Webster]

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.

OXFORD DICTIONARY

tricuspid, n. & adj.
--n.
1 a tooth with three cusps or points.
2 a heart-valve formed of three triangular segments.
--adj. (of a tooth) having three cusps or points.

ROGET THESAURUS

tricuspid

Trisection

N trisection, tripartition, trichotomy, third, third part, trifid, trisected, tripartite, trichotomous, trisulcate, Triadelphous, triangular, tricuspid, tricapsular, tridental, tridentate, tridentiferous, trifoliate, trifurcate, trigonal, trigrammic, trigrammatic, tripetalous, tripodal, tripodic, triquetral, triquetrous.