1. a shallow pit or enclosed area filled with sand for children to play in
2. a large excavation from which sand is extracted commercially

Examples

• The children spent hours building castles in the sandpit.
• She watched her toddler dig in the backyard sandpit.
• The playground has a new sandpit with fresh sand.
• Workers extracted sand from the large sandpit outside town.
• The construction company bought sand directly from the sandpit.
• Parents covered the sandpit to keep cats out.
• The old sandpit filled with water after the heavy rains.