Definition of breeding ground noun from the Oxford Advanced Learner's Dictionary

     

    breeding ground

     noun
    noun
    BrE
     
    ; NAmE
     
     
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  1. 1[usually plural] a place where wild animals go to produce their young Some birds fly south to find good breeding grounds.
  2. 2breeding ground (for something) [usually singular] a place where something, especially something bad, is able to develop This area of the city has become a breeding ground for violent crime. More Like This Compound nouns with –ing forms airing cupboard, answering machine, asking price, baking powder, betting shop, boarding school, booking office, bowling alley, breathing space, breeding ground, changing room, clotting factor, cutting room, draining board, drinking water, eating apple, housing estate, icing sugar, living room, meeting place, nursing home, punching bag, racing car, sleeping pill, starting point, tuning fork, waiting room, working partySee worksheet.
See the Oxford Advanced American Dictionary entry: breeding ground