1. a unit of area equal to 43,560 square feet, commonly used to measure land
2. a piece of land, especially farmland

Examples

• The farm covers 200 acres of fertile land.
• They bought a five-acre lot to build their dream home.
• The park spans over 1,000 acres of forest and meadows.
• Each acre can yield about 150 bushels of corn.
• The developer plans to build houses on the 50-acre site.
• We walked across acres of golden wheat fields.