Main Entry: acre

Pronunciation: \ˈā-kər\

Function: noun

Etymology: Middle English, from Old English æcer; akin to Old High German ackar field, Latin ager, Greek agros, and perhaps to Latin agere to drive — more at agent

Date: before 12th century

1 a archaic : a field especially of arable land or pastureland b plural : lands, estate
2 : any of various units of area; specifically : a unit in the United States and England equal to 43,560 square feet (4047 square meters) — see weight table
3 : a broad expanse or great quantity <acres of free publicity>