[ap-teer-ee-uh m]

noun, plural ap·te·ri·a [ap-teer-ee-uh] /æpˈtɪər i ə/. Ornithology.

one of the featherless portions of the skin of a bird.

Nearby words

  1. apsu,
  2. apsyrtus,
  3. apt,
  4. apt.,
  5. apteral,
  6. apterous,
  7. apterygial,
  8. apterygote,
  9. apteryx,
  10. aptitude

Compare pteryla.

Origin of apterium

From New Latin, dating back to 1865–70; see origin at a-6, pter-, -ium

Related formsap·te·ri·al, adjective

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019