playpen
noun[C]
uk/ˈpleɪ.pen/us/ˈpleɪ.pen/asmallstructurewithbarsor anetaround thesides, butopenat thetop, that you can put ababyin toplaysafely
(供幼儿在内玩耍的)游戏围栏,护栏Stockbyte/GettyImages
Play areas for children
- amusement arcade
 - ball pool
 - climbing frame
 - jungle gym
 - paddling pool
 - play park
 - playground
 - playroom
 - rec
 - recreation ground
 - roundabout
 - sandbox
 - sandlot
 - sandpit
 - schoolyard
 - seesaw
 - slide
 - swing
 - teeter-totter
 - Wendy house