acer
/ˈeɪsər/ · a.cer
noun
- An English unit of land area, originally denoting a day's plowing for a yoke of oxen, now standardized as 4,840 square yards or 4,046.86 square meters. The farm was 200 acres in size.
- Any of various similar units of area in other systems. The French use the term 'arpent' to describe a unit of area similar to an acre.
- A wide expanse. I like my new house - there's acres of space!
Did you know? The acre is a unit of area that has been used in England since the Middle Ages, and was originally based on the amount of land that could be plowed in a day by a team of oxen.