TETRASEPALOUS
Tet`ra*sep"al*ous, a. Etym: [Tetra- + sepal.] (Bot.)

Defn: Having four sepals.

TETRASPASTON
Tet`ra*spas"ton, n. Etym: [NL., fr. Gr. Tetra-) + (Mach.)

Defn: A machine in which four pulleys act together. Brande & C.

TETRASPERMOUS
Tet`ra*sper"mous, a. Etym: [Tetra- + Gr. (Bot.)

Defn: Having four seeds. Tetraspermous plant, a plant which produces four seeds in each flower.

TETRASPORE
Tet"ra*spore, n. Etym: [Tetra- + spore.] (Bot.)

Defn: A nonsexual spore, one of a group of four regularly occurring
in red seaweeds.
— Tet`ra*spor"ic, a.

TETRASTICH
Te*tras"tich, n. Etym: [L. tetrastichon, Gr. Tetra-) +

Defn: A stanza, epigram, or poem, consisting of four verses or lines.
Pope.