apterium

[ ap-teer-ee-uh m ]
/ æpˈtɪər i əm /

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.
Compare pteryla.

Origin of apterium

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

OTHER WORDS FROM apterium

ap·te·ri·al, adjective

Words nearby apterium

apsu, apsyrtus, apt, apt., apteral, apterium, apterous, apterygial, apterygote, apteryx, aptitude