spawning ground noun
plural ∼ grounds [count] 1 : a place where animals (such as fish or frogs) go to lay eggs
▪ Pacific salmon swim to their spawning grounds in Alaskan rivers. 2 : a place where something is created or produced often in large numbers
▪ The country is a spawning ground for terrorists.
▪ Pacific salmon swim to their spawning grounds in Alaskan rivers.
▪ The country is a spawning ground for terrorists.
