DISCOIDS
Noun
discoids
plural of discoid
Source: Wiktionary
DISCOID
Dis"coid, a. Etym: [Gr. discoĆÆde. See Disk.]
Definition: 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.
Dis"coid, n.
Definition: Anything having the form of a discus or disk; particularly, a
discoid shell.
Source: Webster’s Unabridged Dictionary 1913 Edition