proving ground

noun

Definition of proving ground

1 :a place for scientific experimentation or testing (as of vehicles or weapons)
2 :a place where something is developed or tried out

Recent Examples of proving ground from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'proving ground.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of proving ground

circa 1890


PROVING GROUND Defined for English Language Learners

proving ground

noun

Definition of proving ground for English Language Learners

  • : a place where things or people are tested or tried out for the first time

  • : a place where scientific testing is done


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