noun \ˈplü-(ˌ)myül\

Definition of PLUMULE

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

Illustration of PLUMULE

Origin 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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