sand box


a box or receptacle for holding sand, especially one large enough for children to play in.

1565–75; sand + box1 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
sandbox (ˈsændˌbɒks)
1.  a container on a railway locomotive from which sand is released onto the rails to assist the traction
2.  a box with sand shaped for moulding metal
3.  a container of sand for small children to play in
4.  computing a protected environment in which an untrusted program may be run without affecting other parts of the system

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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Slang Dictionary


1. (also `sandbox, the') Common term for the R&D department at many software and computer companies (where hackers in commercial environments are likely to be found). Half-derisive, but reflects the truth that research is a form of creative play. Compare playpen.
2. Syn. {link farm}.
3. A controlled environment within which potentially dangerous programs are run. Used esp. in reference to Java implementations.
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