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gauge - definition and synonyms

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noun [countable]     gauge pronunciation in American English
Word Forms
  1. 1
    a piece of equipment that measures the amount of something

    the fuel/gas/pressure gauge

    a rain/snow/hail gauge

  2. 2
    [usually singular] a fact or event that can be used for judging someone or something

    New orders are a gauge of how well manufacturers are doing.

  3. 3
    a way of saying how thick something is, especially something made of metal, wire, or plastic

    a small-gauge needle

    heavy-gauge plastic

    1. a.
      the width of the barrel of a gun (=the part you fire the bullet through)

      a 12-gauge shotgun

      Synonyms and related words
    2. b.
      the distance between the two metal rails (=tracks) of a railroad, or between the wheels of the train

      a narrow-gauge railroad

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