1. [n]  plaything consisting of a pile of sand or a box filled with sand for children to play in
2. [n]  mold consisting of a box with sand shaped to mold metal

(UK: "sandpit")

1. A protected, limited environment where applications (e.g. Java programs downloaded from the Internet) are allowed to "play" without risking damage to the rest of the system.

2. A term for the R&D department at many software and computer companies (where hackers in commercial environments are likely to be found). The term is half-derisive, but reflects the truth that research is a form of creative play.

Compare playpen.

3. link farm.

[Jargon File]