• synonyms

incubation patch

See more synonyms on Thesaurus.com
  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.

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. 2018
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