A container for sand or pounce, used historically before blotting paper.
An animal's litter box.
The Middle East.
A children's play area consisting of a box filled with sand.
A page on a wiki where users are free to experiment without destroying or damaging any legitimate content.
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.
A box filled with sand that is shaped to form a mould for metal casting.
To restrict (a program, etc.) by placing it in a sandbox.
Used other than figuratively or idiomatically: see water, closet.
A flush toilet itself.
A room containing a flush toilet.