'Firefly' definitions:

Definition of 'firefly'

From: WordNet
noun
Tropical American click beetle having bright luminous spots [syn: firefly, fire beetle, Pyrophorus noctiluca]
noun
Nocturnal beetle common in warm regions having luminescent abdominal organs [syn: firefly, lightning bug]

Definition of 'Firefly'

From: GCIDE
  • Firefly \Fire"fly`\, n.; pl. Fireflies. (Zool.) Any luminous winged insect, esp. luminous beetles of the family Lampyrid[ae]. [1913 Webster]
  • Note: The common American species belong to the genera Photinus (especially Photinus pyralis) and Photuris, in which both sexes are winged. The name is also applied to luminous species of Elaterid[ae]. See Fire beetle. [1913 Webster +PJC]

Words containing 'Firefly'