acre

 
Pronunciation: /ˈeɪkə/

noun

  • a unit of land area equal to 4,840 square yards (0.405 hectare): he farms 1,200 acres in East Yorkshire [as modifier]: a 15-acre estate
  • (acres of) informal a large extent or amount of something: acres of space

Derivatives

acred

adjective
[in combination]: a many-acred park

Origin:

Old 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