English dictionary

firefly

/'f/aI//-/r,fl/aI/

Definitions, examples, synonyms and antonyms from WordNet 3.0.

noun

tropical American click beetle having bright luminous spots

noun.animal

Synonyms fire beetle pyrophorus noctiluca

Source: WordNet 3.0
nocturnal beetle common in warm regions having luminescent abdominal organs

noun.animal

Synonyms lightning bug

Source: WordNet 3.0
Any luminous winged insect, esp. luminous beetles of the family <i>Lampyridæ</i>.

noun

Source: webster1913