(in Britain and North America) a unit for measuring an area of land; 4 840 square yards or about 4 050 square metres英亩（4 840 平方码，约为 4 050 平方米）- 3 000 acres of parkland3 000 英亩开阔绿地
- a three-acre wood一片三英亩的林地
- (informal) Each house has acres of space around it (= a lot of space).每座房屋四周都有大量空地。🔊🔊
Topics Farmingc1, Maths and measurementc1Word OriginOld English æcer (denoting the amount of land a yoke of oxen could plough in a day), of Germanic origin; related to Dutch akker and German Acker ‘field’, from an Indo-European root shared by Sanskrit ajra ‘field’, Latin ager, and Greek agros.