Discoid
(a.) 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.
(n.) Anything having the form of a discus or disk; particularly, a discoid shell.
Similar Words:
Bank discount Discoast Discoblastic Discoboli Discobolus Discodactyl Discodactylia Discodactylous Discoherent Discoid