Ornith.
(of birds having more than one plumage in their cycle of molts) the plumage of the second molt, usually brighter than the basic plumage.
Ornith.
(of birds having more than one plumage in their cycle of molts) the plumage of the second molt, usually brighter than the basic plumage.
Random House Webster's Unabridged English dictionary. Полный английский словарь Вебстер - Random House . 2012