Longman Dictionary of Contemporary English homepage

Language: Old English
Origin: æcer

acre

 noun
     
Related topics: Measurement
a‧cre [countable]
1TM a unit for measuring area, equal to 4840 square yards or 4047 square metres:
They own 200 acres of farmland.
a 200-acre wood
2

acres of space/room

British English informal a large amount of space
Definition from the Longman Dictionary of Contemporary English
Advanced Learner's Dictionary.

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