[noun] [C] - an area designed for children to play in outside, esp. at a schoolThe school playground was a large tarmac rectangle where they played endless games of football.(figurative) The coastal villages are the playground of the rich and famous (= rich and famous people spend a lot of time there, enjoying themselves).Playground is also US for recreation ground.See at recreation.
PLAYGROUND
Meaning of PLAYGROUND in English
Cambridge English vocab. Кембриджский английский словарь. 2012