Category:Discoid

Dis"coid, a. Etym: [Gr. discoïde. See Disk.]

Defn: Having the form of a disk, as those univalve shells which have the whorls in one plane, so as to form a disk, as the pearly nautilus. Discoid flower (Bot.), a compound flower, consisting of tubular florets only, as a tansy, lacking the rays which are seen in the daisy and sunflower.

discoid Dis"coid, n.

Defn: Anything having the form of a discus or disk; particularly, a discoid shell.