Definition of acre noun from the Oxford Advanced American Dictionary

     

    acre

     noun
    noun
    NAmE//ˈeɪkər//
     
     
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  1. 1a unit for measuring an area of land; 4,840 square yards (about 4,050 square meters) 3,000 acres of parkland a three-acre area of woods
  2. 2(informal) Each house has acres of space around it (= a lot of space).
See the Oxford Advanced Learner's Dictionary entry: acre