a container on a railway locomotive from which sand is released onto the rails to assist the traction a container of sand for small children to play in
WordReference Random House Learner's Dictionary of American English © 2025
sand•box /ˈsændˌbɑks/USA pronunciation
n. [countable]
WordReference Random House Unabridged Dictionary of American English © 2025- a box for holding sand, esp. one for children to play in.
sand•box
(sand′boks′),USA pronunciation n.
- a box or receptacle for holding sand, esp. one large enough for children to play in.
- sand + box1 1565–75
Collins Concise English Dictionary © HarperCollins Publishers::
'sandbox' also found in these entries (note: many are not synonyms or translations):