bulb
/bʌlb/
noun
- The glass part of an electric lamp that produces light.
- The bulb burned out after three years of use.
- She screwed a new bulb into the ceiling fixture.
- I need to replace the bulb in the living room lamp.
- A rounded underground storage organ of a plant, such as an onion or tulip, from which new growth can sprout.
- We planted tulip bulbs in the garden last fall.
- The bulb stores food for the plant during winter.
- An onion is a bulb that you can eat.
- A rounded or bulb-shaped part of an object or device.
- He squeezed the rubber bulb to pump air into the tire.
- The thermometer has a bulb at the bottom that holds the liquid.
- The bulb of the syringe holds the medicine.