jungle gym
noun🔊/ˈdʒʌŋɡl dʒɪm/
🔊/ˈdʒʌŋɡl dʒɪm/
(North American English) (British English climbing frame)
a structure made of metal bars joined together for children to climb and play on （儿童游乐设施）攀爬架 
Word Origin1920s: formerly a US trademark.
