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

Origin and Etymology of plumule

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

First Known Use: 1727

Seen and Heard

What made you want to look up plumule? Please tell us where you read or heard it (including the quote, if possible).