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blowhole - definition and synonyms


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noun [countable]     blowhole pronunciation in American English
Word Forms
  1. 1
    a hole in the top of the head of an ocean animal such as a whale or dolphin, through which it breathes
  2. 2
    a hole in the surface of ice that ocean animals such as whales and seals use to breathe through
  3. 3
    a hole in a tunnel through which gases can escape

Open Dictionary


a rise in the level of a stream or river

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