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incubation patch

American  

noun

  1. a highly vascular, featherless area developed on the abdomen of certain brooding birds that is in direct contact with eggs during incubation and provides additional warmth.

Etymology

Origin of incubation patch

First recorded in 1950–55

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.

The incubation patch of passerine birds.

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.