Collins COBUILD Advanced Learner's English Dictionary - hunting ground

(hunting grounds) 1. If you say that a place is a good hunting ground for something, you mean that people who have a particular interest are likely to find something that they want there. Other people’s weddings are the perfect hunting ground for ideas... N-COUNT: oft N for n 2. A hunting ground is an area where people or animals chase and kill wild animals for food or as a sport. N-COUNT