1. Mould consisting of a box with sand shaped to mould metal 
2. [N. Amer] A plaything consisting of a pile of sand or a box filled with sand for children to play in
   - sandpile [N. Amer], sandpit

Derived forms: sandboxes

Type of: cast, mold [N. Amer], mould [Brit, Cdn], plaything, toy

Encyclopedia: Sandbox

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