( n. )
The fold of integument, usually supported by bony plates, which protects the gills of most fishes and some amphibians; the gill cover; the gill lid.
( n. )
The fold of integument, usually supported by bony plates, which protects the gills of most fishes and some amphibians; the gill cover; the gill lid.
Webster's Revised Unabridged English Dictionary. Пересмотренный полный словарь английского языка Webster. 2012