Sandbox meaning : A children's play area consisting of a box filled with sand. A box filled with sand that is shaped to form a mould for metal casting. A container for sand or pounce, used historically before blotting paper. An animal's litter box. A box carried on locomotives, from which sand runs onto the rails in front of the driving wheels, to prevent slipping. An isolated area where a program can be executed with a restricted portion of the resources available. (Wiktionary and WMF jargon) A page on a wiki where users are free to experiment without destroying or damaging any legitimate content. (usually "The Sandbox") The Middle East. To restrict (a program, etc.) by placing it in a sandbox.