noun
: any of numerous minute two-winged flies of the family Cecidomyiidae most of which cause gall formation on various plants — called also gall gnat
noun
: any of numerous minute two-winged flies of the family Cecidomyiidae most of which cause gall formation on various plants — called also gall gnat
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012