Sandbox

Noun

 * 1) 🇺🇸 A children's play area consisting of a box filled with sand.
 * 2)  An isolated area where a program can be executed with a restricted portion of the resources available.
 * Running a program in a sandbox can prevent it from doing any damage to the system.
 * 1)  A page on a wiki where users are free to experiment without destroying or damaging any legitimate content.

Synonyms

 * sandpit

Verb

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