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plumule

noun — 4 senses

plumule

noun

Etymology From Latin plūmula, diminutive of plūma (“feather”); compare French plumule. By surface analysis, plume + -ule.

1

Biology, Botany, Natural sciences The first bud, or growing point, of a plant embryo, situated above the cotyledons.

2

Biology, Natural sciences, Zoology A down feather.

3

Biology, Natural sciences, Zoology The aftershaft of a feather.

4

Biology, Natural sciences, Zoology One of the featherlike scales of certain male butterflies.

Derived terms
plumulaceous, plumular, plumulose

Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.