sandbox UK /ˈsænd.bɒks/US /ˈsæn(d).bɑks/noun 8verb 2forms 3 noun8 •(US, Canada) A children's play area consisting of a box filled with sand.Her children were playing in the sandbox. •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.Running a program in a sandbox can prevent it from doing any damage to the system. •A page on a wiki where users are free to experiment without destroying or damaging any legitimate content. •(US, slang) The Middle East. verb2 •To restrict (a program, etc.) by placing it in a sandbox. •To brainstorm; to prototype.Their team has been sandboxing some ideas recently. formssandboxed · sandboxing · sandboxes