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noun plu·mule \ˈplü-(ˌ)myül\

Definition of plumule

  1. 1 :  the primary bud of a plant embryo usually situated at the apex of the hypocotyl and consisting of leaves and an epicotyl

  2. 2 :  a down feather

Illustration of plumule

Origin and Etymology of plumule

New Latin plumula, from Latin, diminutive of pluma small soft feather — more at fleece

First Known Use: circa 1741

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