four square

Short definition from Wiktionary

Noun

1. 1
   A sport played by four players where players have to hit a ball into other people's squares, and attempt to make a return hit.
2. 2
   A method used to teach children to write about a topic, based on a diagram with four squares, each containing a type of sentence about the topic.
3. 3
   Alternative spelling of foursquare.

Adjective

1. 1
   Alternative spelling of foursquare.