flash bulb(n = noun.artifact) flash, flash lamp, flashbulb, flashgun, photoflash - a lamp for providing momentary light to take a photograph;
is a kind of lamp, photographic equipment
is a part of flash camera

artery of the penis bulb, artery of the vestibule bulb, bulb, conjunctival layer of bulb, electric-light bulb, flash, flash back, flash boiler, flash burner, flash butt welding, flash camera, flash card, flash flood, flash in the pan, flash lamp, flash memory, flash point, flash welding, heat flash, hot bulb, hot flash, in a flash, light bulb, olfactory bulb, shoulder flash