sarcinoid,a.|ˈsɑːsɪnɔɪd| [ad.mod.L. Sarcinoīdēs (used by Blainville, 1834, in neut. pl.-oidea), f.Gr. σάρκινο-ς fleshy (f. σαρκ-, σάρξ flesh): see -oid.] Belonging to the group Sarcinoidea of polyps. 1841Penny Cycl. XX. 432/1 The Sarcoid (or sarcinoid, or carnose) Polypiaria.