Dis"coid (?), a. [Gr. quoit-shaped, a round plate, quoit + form, shape: cf. F. discoide. See Disk.]

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.

 

© Webster 1913.


Dis"coid, n.

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

 

© Webster 1913.

Log in or registerto write something here or to contact authors.