the dull plumage developed in some brightly colored birds after the breeding season.
Words nearby eclipse plumage
Origin of eclipse plumage
First recorded in 1905–10
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020
British Dictionary definitions for eclipse plumage
seasonal plumage that occurs in certain birds after the breeding plumage and before the winter plumage: characterized by dull coloration
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012