noun
Usage: capitalized Y
Etymology: silver (II) + y + moth
: a moth of the genus Plusia having a silvery Y on the fore wings ; especially : gamma moth
noun
Usage: capitalized Y
Etymology: silver (II) + y + moth
: a moth of the genus Plusia having a silvery Y on the fore wings ; especially : gamma moth
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012