Defn: Having three pistils or styles; of or pertaining to the
Trigynia.
TRIHEDRAL
Tri*he"dral, a. Etym: [See Trihedron.] (Geom.)
Defn: Having three sides or faces; thus, a trihedral angle is a solid angle bounded by three plane angles. [Written also triedral.]
TRIHEDRON
Tri*he"dron, n. Etym: [Pref. tri- + Gr. (Geom.)
Defn: A figure having three sides.
TRIHORAL
Tri*ho"ral, a. Etym: [Pref. tri- + horal.]
Defn: Occurring once in every three hours.
TRIHYBRID
Tri*hy"brid, n. (Biol.)
Defn: A hybrid whose parents differ by three pairs of contrasting
Mendelian characters.
TRIJUGATE
Trij"u*gate, a. Etym: [See Trijugous.] (Bot.)