adjective Also dis·coi·dal.
- having the form of a discus or disk; flat and circular.
- Botany. (of a composite flower) consisting of a disk only, without rays.
noun
- something in the form of a disk.
- Dentistry. an excavator with a disklike blade.
adjective Also: discoidal (dɪsˈkɔɪdəl)
- like a disc
- (of a composite flower such as the tansy) consisting of disc florets only
noun
- a disclike object
adj.
- Shaped like or resembling a disk.