a. rare–1. [f. mod.L. ūvell-a, dim. of L. ūva UVA, + -OID.] Like or resembling a small cluster of grapes.
1880. W. Saville-Kent, Man. Infusoria, I. 190. Similar, but detached, uvelloid clusters. Ibid., 191. The propagation of the species by the detachment of entire uvelloid masses.
