plumule noun. ['plu:mju:l] In sense 1 also in Latin form plumula [-jʊlǝ], pl. -lae [-li:]. E18.
[French, or Latin plumula dim. of pluma PLUME noun: see -ULE.]
1. Botany. A primordial shoot above the cotyledon(s) in an embryo plant. E18.

2. A little feather; spec. in Ornithology, a down feather. M19.
b. Entomology. A small plumose organ or structure. L19.

■ plumu'laceous adjective (Ornithology) of the nature of a plumule, downy L19.

■ plumular adjective of or pertaining to a plumule L19.

[TahlilGaran] English Dictionary ▲