Entry 4 senses · 4 variants Webster, 1913 Molt /mōlt/ · IPA /mˈoʊlt/ imp. v. i. v. t. n. 01 imp. imp. of Melt. 1. imp. of Melt.obs. See: Melt 02 v. i. To shed or cast the hair, feathers, skin, horns, or the like, as an animal or a bird. imp. & p. p. Molted; p. pr. & vb. n. Molting 1. To shed or cast the hair, feathers, skin, horns, or the like, as an animal or a bird. 03 v. t. To cast, as the hair, skin, feathers, or the like; to shed. 1. To cast, as the hair, skin, feathers, or the like; to shed. 04 n. The act or process of changing the feathers, hair, skin, etc.; molting. 1. The act or process of changing the feathers, hair, skin, etc.; molting.