Meaning & Definition of word "Bulb"

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    Bulb

    /bʌlb/

    noun:

    • 1. A rounded underground storage organ of a plant, typically consisting of an outer tunic and a central bud.
      • Example: The gardener planted several tulip bulbs in the fall for a vibrant spring display.
    • 2. A glass container that holds a filament or gas and emits light when electricity is passed through it.
      • Example: I need to buy a new bulb for the living room lamp since the old one burned out.
    • 3. A rounded part of a device, often used to hold or contain something.
      • Example: The light bulb in the overhead fixture is too bright for my eyes.

    Etymology

    From the Latin 'bulbus', meaning 'onion' or 'bulb'.

    Common Phrases and Expressions

    bulb out:

    to lose power or to stop working, often used in regard to light bulbs.

    light bulb moment:

    a sudden realization or idea.

    plant bulb:

    a bulb used for growing plants, especially flowers.

    Related Words

    tuber:

    A thickened underground part of a stem or root.

    lamp:

    A device that produces light.

    bulbous:

    Having a bulb shape.

    Slang Meanings of bulb

    Meaning: In a dim-witted way.

    Example Sentence: He was acting like such a bulb during the meeting.

    Meaning: To be slow or dull-witted.

    Example Sentence: Don't be a bulb, think a bit more!