( a. )
Having females very unlike the males in form and structure; -- as certain insects, the males of which are winged, and the females wingless.
( a. )
Having females very unlike the males in form and structure; -- as certain insects, the males of which are winged, and the females wingless.
Webster's Revised Unabridged English Dictionary. Пересмотренный полный словарь английского языка Webster. 2012