1) Playground equipment 
The jungle gym, monkey bars, or climbing frame, is a piece of playground equipment made of many pieces of material, such as metal pipe or rope, on which children can climb, hang, or sit. The monkey bar designation refers to the rambunctious, climbing play of monkeys. ==History== The first jungle gym was invented in 1920 and patented by lawyer Seba...
[n] - a structure of vertical and horizontal rods where children can climb and play
noun a structure of vertical and horizontal rods where children can climb and play