Firefly
Pronunciation : Fire"fly`
Part of Speech : n.;
Definition : Defn: Any luminous winged insect, esp. luminous beetles of the family Lampyrid?.
Note: The common American species belong to the genera Photinus and Photuris, in which both sexes are winged. The name is also applied to luminous species of Elaterid?. See Fire beetle.
pl. Fireflies (. (Zo?l.)
Source : Webster's Unabridged Dictionary, 1913