'flashbulb' definitions:

Definition of 'flashbulb'

(from WordNet)
noun
A lamp for providing momentary light to take a photograph [syn: flash, photoflash, flash lamp, flashgun, flashbulb, flash bulb]

Definition of 'flashbulb'

From: GCIDE
  • flashbulb \flash"bulb`\ n. a lamp for providing intense momentary light to take a photograph.
  • Syn: flash, photoflash, flash lamp, flashgun. [WordNet 1.5]