TRICUSPIDATE
Tricus"pid*ate, a.
Defn: Three-pointed; ending in three points; as, a tricuspidate leaf.
TRICYCLE
Tri"cy*cle, n. Etym: [Pref. tri- + cycle as inbicycle.]
Defn: A three-wheeled velocipede. See Illust. under Velocipede. Cf.
Bicycle.
TRIDACNA
Tri*dac"na, n. Etym: [L., pl., a kind of oysters, fr. Gr. (Zoöl.)
Defn: A genus of very large marine bivalve shells found on the coral reefs of the Indian and Pacific Oceans. One species (T. gigas) often weighs four or five hundred pounds, and is sometimes used for baptismal fonts. Called also paw shell, and fountain shell.
TRIDACTYL; TRIDACTYLE
Tri*dac"tyl Tri*dac"tyle, a. Etym: [Gr. Tri-) + tridactyle.] (Biol.)
Defn: Having three fingers or toes, or composed of three movable parts attached to a common base.
TRIDACTYLOUS
Tri*dac"tyl*ous, a. (Biol.)
Defn: Tridactyl.