ˈākə(r) noun
( -s )
Etymology: Middle English, from Old English æcer; akin to Old High German ackar field, Old Norse akr arable land, Gothic akrs field, Latin ager, Greek agros, Sanskrit ajra, Latin agere to drive — more at agent
1.
a. : a field especially of arable or pasture land — archaic except in proper names or in compounds or phrases
Long Acre
black acre
b. acres plural : lands , estate
he commuted between his country acres and his Madison Avenue office — Time
these skills, like fat flocks or ancestral acres, were passed from father to son — Harriot B. Barbour
2. : any of various units of area based on an old approximate unit equal to the amount of land plowed by a yoke of oxen in a day ; especially : a unit in the United States and England equal to 160 square rods
a field of six acres
a 10- acre field
— see measure table; compare arpent
3. : a broad expanse
smiling valleys were turned into acres of slums — Gilbert Highet
: a large quantity — usually used in plural
I have read acres of source material on European history — H.E.Barnes