Share this entry

Share this page

firefly

Syllabification: fire·fly
Pronunciation: /ˈfī(ə)rˌflī
 
/

Definition of firefly in English:

noun (plural fireflies)

A soft-bodied beetle related to the glowworm, the winged male and flightless female of which both have luminescent organs. The light is chiefly produced as a signal between the sexes, especially in flashes.
  • Family Lampyridae: many species
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:

Share this entry

Share this page

 

What do you find interesting about this word or phrase?

Comments that don't adhere to our Community Guidelines may be moderated or removed.

Get more from Oxford Dictionaries

Subscribe to remove ads and access premium resources

Word of the day orthoepy
Pronunciation: ôrˈTHōəpē
noun
the correct or accepted pronunciation of words