Defn: A kind of coccolith, which in shape resembles a minute cup widened at the top, and varies in size from
CYATHOPHYLLOID
Cy`a*tho*phyl"loid (s`-th-fl"loid), a. Etym: [NL. cyathophyllum, fr.
Gr. ky`aqos a cup + fy`llon a leaf.] (Pale
Defn: Like, or pertaining to, the family Cyathophyllidæ.
CYATHOPHYLLOID
Cy`a*tho*phyl"loid, n. (Paleon.)
Defn: A fossil coral of the family Cyathophyllidæ; sometimes extended to fossil corals of other related families belonging to the group Rugosa; — also called cup corals. Thay are found in paleozoic rocks.
CYCAD
Cy"cad (s"kd), n. (Bot.)
Defn: Any plant of the natural order Cycadeceæ, as the sago palm, etc.
CYCADACEOUS
Cyc`a*da"ceous (sk`-d"shs or s`k-), a. (Bot.)
Defn: Pertaining to, or resembling, an order of plants like the palms, but having exogenous wood. The sago palm is an example.
CYCAS Cy"cas (s"ks), n. Etym: [Of uncertain origin. Linnæus derives it from one of the "obscure Greek words.">[ (Bot.)