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brood patch

noun

incubation patch

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.
Also called brood patch.
Origin of incubation patch
1950-1955
1950-55
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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8
9
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