noun
: a common swallow ( Tachycineta thalassina lepida ) of western No. America that is violet green above and that has white ear coverts, rump patches, and lower side
noun
: a common swallow ( Tachycineta thalassina lepida ) of western No. America that is violet green above and that has white ear coverts, rump patches, and lower side
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012