Definition of barbule in English:

Share this entry

barbule

Pronunciation: /ˈbärbyo͞ol/

noun

A minute filament projecting from the barb of a feather.
Example sentences
  • Well known examples include the structural colors produced by brilliant iridescent butterfly wing scales and avian feather barbules, such as the peacocks tail.
  • The strongly iridescent colors of bird feathers are produced by arrays of melanin granules in the barbules of feathers.
  • The barbs, in turn, may bear barbules which may hook on to the barbules of an adjoining barb.

Origin

Mid 19th century: from Latin barbula, diminutive of barba 'beard'.

For editors and proofreaders

Syllabification: bar·bule

Share this entry
 

What do you find interesting about this word or phrase?

Comments that don't adhere to our Community Guidelines may be moderated or removed.