Dictionary
fire•fly
Pronunciation: (fīur'flī"), [key]—
n.,
—pl. -flies.
any nocturnal beetle of the family Lampyridae, characterized by a soft body with a light-producing organ at the rear of the abdomen. Also called
glowfly, lightning bug. Cf.
glowworm.Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.