The word playground is a noun. Playground means (1) yard consisting of an outdoor area for children's play, (2) an area where many people go for recreation.
The following articles and web pages elaborate on the word playground.
This park and playground directory lists local parks and playgrounds that are located in each state of the USA. The photograph on this page depicts playground equipment in a subtropical park setting.
Tourist hotspot and a playground for millionaires, Provence and the French Riviera are some of the country's most visited areas - but how well do you know them?
The Local. Tuesday, 30 Jul 2019 10:45:53 +0200.
Ray Dalio says wealth inequality is a national emergency; then, robots come to the rescue after Fukushima Daiichi nuclear disaster; and, inside Monaco: The ultimate playground for the rich
CBS News. Sunday, 28 Jul 2019 23:00:27 -0400.