THECODONT
The"co*dont, n. (Paleon.)
Defn: One of the Thecodontia.
THECODONTIA
The`co*don"ti*a, n. pl. Etym: [NL.] (Paleon.)
Defn: A group of fossil saurians having biconcave vertebræ and the teeth implanted in sockets.
THECOPHORA
The*coph"o*ra, n. pl. Etym: [NL., from Gr. (Zoöl.)
Defn: A division of hydroids comprising those which have the hydranths in thecæ and the gonophores in capsules. The campanularians and sertularians are examples. Called also Thecata. See Illust. under Hydroidea.
THECOSOMATA
The`co*so"ma*ta, n. pl. Etym: [NL. See Theca, and Soma.] (Zoöl.)
Defn: An order of Pteropoda comprising those species which have a
shell. See Pteropoda.
— The`co*so"ma*tous, a.
THEDOM
The"dom, n. Etym: [Thee to prosper + -dom.]
Defn: Success; fortune; luck; chance. [Obs.]
Evil thedom on his monk's snout. Chaucer.