Definition from Wiktionary, the free dictionary
bulb (plural bulbs)
- Any solid object rounded at one end and tapering on the other, possibly attached to a larger object at the tapered end.
- the bulb of the aorta
- A light bulb.
- The bulb-shaped root portion of a plant such as a tulip, from which the rest of the plant may be regrown.
- (nautical) a bulbous protuberance at the forefoot of certain vessels to reduce turbulence.
rounded solid object
light bulb — see light bulb
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