sandbox - definition and synonyms

noun [countable] 

Your browser doesn’t support HTML5 audio

/ˈsæn(d)ˌbɒks/
singularsandbox
pluralsandboxes
  1. 2
    computing in software and web development, an environment where new products can be tested without affecting the live server or damaging data

    Sandbox mode lets you test the integration of Magento Go with the PayPal payment system.