Part of speech:
Any of various tropical American click beetles of the genus Pyrophorus, having luminous spots on the prothorax and abdomen.
Any of a family (Lampyridae) of winged beetles, active at night, whose abdomens glow with a luminescent light
A bioluminescent larva or a wingless wormlike female of certain insects, especially fireflies and beetles of the family Phengodidae.
Any of various chiefly tropical hemipteran insects of the family Fulgoridae that have an enlarged, elongated head, once thought to be luminescent.
Any of various bioluminescent dinoflagellates of the genus Noctiluca that when grouped in large numbers make the sea phosphorescent.
Find another word for lightning-bug. In this page you can discover 8 synonyms, antonyms, idiomatic expressions, and related words for lightning-bug, like: candle fly, fire-beetle, firefly, fireworm, glowworm, lampyrid, lantern fly and noctiluca.