plu·​mule | \ ˈplü-(ˌ)myül How to pronounce plumule (audio) \

Definition of plumule

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

Illustration of plumule

Illustration of plumule

plumule of morning glory seedling: 1 hypocotyl, 2 plumule, 3 cotyledons

First Known Use of plumule

1727, in the meaning defined at sense 1

History and Etymology for plumule

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

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Time Traveler for plumule

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The first known use of plumule was in 1727

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Cite this Entry

“Plumule.” Dictionary, Merriam-Webster, Accessed 23 Sep. 2020.

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