Definition of firefly in English:

firefly

Line breaks: fire|fly
Pronunciation: /ˈfʌɪəflʌɪ
 
/

noun (plural fireflies)

A soft-bodied beetle related to the glow-worm, the winged male and flightless female of which both have luminescent organs. The light is chiefly produced in flashes and typically functions as a signal between the sexes.
  • Family Lampyridae: many species, especially in the tropics, and including the European Luciola lusitanica
More example sentences
  • Later lab experiments showed that by flashing an artificial light at a firefly you could speed up its rhythm, you could slow it down, make it flash a little later than it would otherwise.
  • We were guided as we went by millions of fireflies whose flashing marked the banks like landing lights on an airstrip.
  • The firefly's light is only visible for an instant.

Definition of firefly in:

Get more from Oxford Dictionaries

Subscribe to remove ads and access premium resources

Word of the day fungible
Pronunciation: ˈfənjəbəl
adjective
mutually interchangeable...