firefly
[ fahyuh r-flahy ]
/ ˈfaɪərˌflaɪ /
noun, plural fire·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.
Compare
glowworm.
Words nearby firefly
firedrake,
firefight,
firefighter,
firefighting,
fireflood,
firefly,
fireguard,
firehorse,
firehouse,
fireless,
fireless cooker
Example sentences from the Web for firefly
British Dictionary definitions for firefly
firefly
/ (ˈfaɪəˌflaɪ) /
noun plural -flies
any nocturnal beetle of the family Lampyridae, common in warm and tropical regions, having luminescent abdominal organs
See also glow-worm
any tropical American click beetle of the genus Pyrophorus, esp P. noctiluca, that have luminescent thoracic organs