bulb

bulb · noun

imported

Definitions

noun

  1. 1.

    A rounded underground storage organ of certain plants, consisting of a short stem surrounded by fleshy scale leaves.

  2. 2.

    The glass part of an electric lamp that contains the filament or LED.

  3. 3.

    Any object with a rounded or swollen shape.

  4. 4.

    A rounded expansion at the end of an anatomical structure.

Forms

plural: bulbs

Phrases & expressions

  • •
    light bulb — an electric lamp
  • •
    light bulb moment — a sudden realization or idea
  • •
    bulb syringe — a medical device for suction

Related words

See also: flower, lamp, light, plant
Synonyms: corm, globe, lamp

Etymology

From Latin "bulbus" (onion, bulbous root), from Greek "bolbos" (onion).