noun
Usage: usually capitalized F
: an irregular and atypical molt of young cage birds by some attributed to dietary deficiency and by others to the attack of an unidentified mite
noun
Usage: usually capitalized F
: an irregular and atypical molt of young cage birds by some attributed to dietary deficiency and by others to the attack of an unidentified mite
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012