a. [f. L. crēscent-em, taken in sense of CRESCENT sb. -IC.] Having the form of a crescent or new moon; crescent-shaped.
1836. Todd, Cycl. Anat., I. 308/1. A large crescentic membraneous flap, or valve.
1885. H. O. Forbes, Nat. Wand. E. Archip., IV. App. 364. Feathers … tipped with crescentic spots of white.
