Tricuspid

adjective
1.
Also, tricuspidal. having three cusps or points, as a tooth.
Compare bicuspid.
2.
Anatomy. of, relating to, or affecting the tricuspid valve.
noun
3.
Anatomy. a tricuspid part, as a tooth.
adjective
1.

having three points, cusps, or segments: a tricuspid tooth, a tricuspid valve
of or relating to such a tooth or valve

noun
2.
a tooth having three cusps

tricuspid tri·cus·pid (trī-kŭs’pĭd)
n.
An organ or a part, especially a tooth, having three cusps. adj. or tri·cus·pi·dal (-pĭ-dəl) or tri·cus·pi·date (-pĭ-dāt’)

Having three points, prongs, or cusps.

Of or relating to the tricuspid valve.

tricuspid
(trī-kŭs’pĭd)
Adjective Having three points or cusps.

Noun

A tooth having three points or cusps, especially a molar.

See tricuspid valve.