discoid
AdjectiveOpen English WordNet
Adjective (1)
- having a flat circular shapeSynonyms: discoidaldisklikedisclikedisk-shapeddisc-shapedOpposite squareSimilar round, circular
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Webster's Dictionary (1913)
Dis′coid adjective
Origin: Gr. … quoit-shaped, … a round plate, quoit + εἶδος form, shape: cf. F. discoïde. 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 Botany, a compound flower, consisting of tubular florets only, as a tansy, lacking the rays which are seen in the daisy and sunflower.
Dis′coid noun
Anything having the form of a discus or disk; particularly, a discoid shell.
Webster’s Revised Unabridged Dictionary (1913), from GCIDE 0.54