buffalo gnat

noun

black fly.

Origin of buffalo gnat

An Americanism dating back to 1815–25

Words nearby buffalo gnat

buffalo carpet beetle, buffalo chips, buffalo cloth, buffalo currant, buffalo fish, buffalo gnat, buffalo grass, buffalo grove, buffalo neck, buffalo plaid, buffalo robe

British Dictionary definitions for buffalo gnat

buffalo gnat

noun

any of various small North American blood-sucking dipterous insects of the genus Simulium and related genera: family Simuliidae Also called: black fly