sandbox
nounUK /ˈsændbɒks/
US /ˈsændbɑːks/
A sandbox is a box filled with sand where children play.
The children built a castle in the sandbox.
RELATED WORDS
OTHER MEANINGS
2. A safe, isolated environment for testing software or code.
The developer ran the new program in a sandbox before releasing it.
3. A container of sand for extinguishing fires or for traction on icy roads.
The train carried a sandbox to help with braking on slippery tracks.
4. A small box of sand used for absorbing ink or for blotting.
He shook the sandbox over the wet ink to dry it.