impact crater

noun Astronomy, Geology.
crater ( def 2 ).

Origin:
1890–95

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Based on the Random House Dictionary, © Random House, Inc. 2014.
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Main Entry:  impact crater
Part of Speech:  n
Definition:  a depression in the ground believed to have been caused by a meteorite
Example:  Does the earth have impact craters?
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Example sentences
His discovery of coesite, which became a standard sign of an impact crater,
  sealed the debate.
It is the largest impact crater in the entire solar system.
If the spot indeed proves to mark an impact crater, astronomers could be
  afforded a peek into the dwarf planet's interior.
Also, it'd be smooth if anything else crashed into it, the smooth part of the
  asteroid might be an impact crater of some sort.
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