sandbox

Definition

A children's play area consisting of a box filled with sand.

Etymology

From sand + box.

Example Sentences

• "Her children were playing in the sandbox."
• "For the most part they were small standard gauge 0-6-0 side tanks of the type illustrated, with long tapered chimneys and an unusual feature for the Continent in the shape of domeless boilers, the protuberance just behind the chimney being a sandbox."
• "Running a program in a sandbox can prevent it from doing any damage to the system."