crater - definition and synonyms

noun [countable] 

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/ˈkreɪtə(r)/
singularcrater
pluralcraters
  1. 1
    the round hole at the top of a volcano
     Synonyms and related words
  2. 2
    a large round hole in the ground caused by an explosion

    a bomb crater

    1. a.
      a large round hole on the surface of a planet caused by a meteorite hitting the surface