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Plumule

From Biology-Online Dictionary
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Definition

noun

(1) (botany) The bud of a young plant; the portion of the plant embryo giving rise to the first true leaves, especially above the cotyledons.

(2) (zoology) A down feather.


Supplement

Word origin: From Latin plumula, diminutive of pluma "feather".

See also:

Compare: radicle