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Meaning of adventure playground

adven'ture play"ground

Pronunciation: [key]
— Brit. Brit.
  1. a children's playground, often in a somewhat desolate urban area, that utilizes derelict industrial or commercial items or products for equipment, as used tires for swings and wooden crates for tunnels.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.