sandbox

A low box filled with sand for children to play in.

A litter box, especially for a cat.

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.

An isolated area where a program can be executed with a restricted portion of the resources available.

A page on a wiki where users are free to experiment without destroying or damaging any legitimate content.

To restrict (a program, etc.) by placing it in a sandbox.

a plaything consisting of a pile of sand or a box filled with sand for children to play in

mold consisting of a box with sand shaped to mold metal