bulb

Meanings

1. 1
   noun

   a rounded part of a cylindrical instrument (usually at one end)

   the bulb of a syringe

2. 2
   noun

   The bulb-shaped underground portion of a plant such as a tulip, consisting of a shortened stem and many fleshy scale leaves, from which the rest of the plant may be regrown.

   the plants which grow in the earth from seed or bulbs.

3. 3
   noun

   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

4. 4
   noun

   electric lamp consisting of a transparent or translucent glass housing containing a wire filament (usually tungsten) that emits light when heated by electricity

5. 5
   noun

   a rounded dilation or expansion in a canal or vessel or organ

6. 6
   noun

   lower or hindmost part of the brain

7. 7
   noun

   a modified bud consisting of a thickened globular underground stem serving as a reproductive structure

8. 8
   noun

   anything with a round shape resembling a teardrop

Etymology

Etymology tree Ancient Greek βολβός (bolbós)bor. Latin bulbusder. English bulb Inherited from Middle English bulb, bolbe, from Latin bulbus (“bulb, onion”), from Ancient Greek βολβός (bolbós, “plant with round swelling on underground stem”).