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.
soul patchRead more in this article about some frequently asked questions and fun facts related to our definitions.
Origin of incubation patch
First recorded in 1950–55
Also called brood patch.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019