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