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English definition of “acre”

acre

noun [C]     /ˈeɪ.kər/ US  /-kɚ/
C2 a unit for measuring area, equal to 4,047 square metres or 4,840 square yards: He's got 400 acres of land in Wales.Miscellaneous units of measurement acreage     /-ɪdʒ/ noun [C or U] What acreage is (= how big is) her estate?Miscellaneous units of measurement
(Definition of acre noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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