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apterium

American  
[ap-teer-ee-uhm] / æpˈtɪər i əm /

noun

Ornithology.

plural

apteria

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

Other Word Forms

  • apterial adjective

Etymology

Origin of apterium

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

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

But, the male loses most of the down feathers of the ventral apterium.

From Project Gutenberg

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.