Found 2 items, similar to plumule.
English → English (WordNet) Definition: plumule plumule n : down feather of young birds; persists in some adult birds
English → English (gcide) Definition: Plumule Plumula \Plu"mu*la\, n.; pl. L. Plumule, E.-las. [L. See Plumule.] 1. (Bot.) A plumule. [1913 Webster] 2. (Zo["o]l.) A down feather. [1913 Webster] Plumule \Plu"mule\, n. [L. plumula, dim. of pluma a feather; cf. F. plumule.] 1. (Bot.) The first bud, or gemmule, of a young plant; the bud, or growing point, of the embryo, above the cotyledons. See Illust. of Radicle. --Gray. [1913 Webster] 2. (Zo["o]l.) (a) A down feather. (b) The aftershaft of a feather. See Illust. under Feather. (c) One of the featherlike scales of certain male butterflies. [1913 Webster]