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.
In a dusty school playground in southwest Nigeria, the rows of children lined up to return to their classrooms are dotted with the faces of identical twins. ...
Yahoo. Tuesday, 09 Apr 2019 08:51:58 -0400.
Ball pits used in children's physical therapy -- similar to those made popular by restaurants catering to families -- may contribute to germ transmission between patients, according to new research.
Science Daily. Thursday, 21 Mar 2019 13:04:44 EDT.
The following digital image illustrates the word playground.