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acre

1 American  
[ey-ker] / ˈeɪ kər /

noun

  1. a common measure of area: in the U.S. and U.K., 1 acre equals 4,840 square yards (4,047 square meters) or 0.405 hectare; 640 acres equals one square mile.

  2. acres,

    1. lands; land.

      wooded acres.

    2. Informal. large quantities.

      acres of Oriental rugs.

  3. Archaic. a plowed or sown field.

idioms

  1. forty acres and a mule. mule.

Acre 2 American  
[ah-kruh, ah-ker, ey-ker] / ˈɑ krə, ˈɑ kər, ˈeɪ kər /

noun

  1. a state in W Brazil. 58,900 sq. mi. (152,550 sq. km). Rio Branco.

  2. a seaport in NW Israel: besieged and captured by Crusaders 1191.

Acre 1 British  

noun

  1. a state of W Brazil: mostly unexplored tropical forests; acquired from Bolivia in 1903. Capital: Rio Branco. Pop: 586 942 (2002). Area: 152 589 sq km (58 899 sq miles)

  2. Arabic name: `Akka.  Hebrew name: `Akko.  Old Testament name: Accho.  a city and port in N Israel, strategically situated on the Bay of Acre in the E Mediterranean: taken and retaken during the Crusades (1104, 1187, 1191, 1291), taken by the Turks (1517), by Egypt (1832), and by the Turks again (1839). Pop: 45 600 (2001)

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
acre 2 British  
/ ˈeɪkə /

noun

  1. a unit of area used in certain English-speaking countries, equal to 4840 square yards or 4046.86 square metres

  2. (plural)

    1. land, esp a large area

    2. informal a large amount

      he has acres of space in his room

  3. to graze cows on the verge of a road

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
acre Scientific  
/ ā′kər /

  1. A unit of area in the US Customary System, used in land and sea floor measurement and equal to 43,560 square feet or 4,047 square meters.

Other Word Forms

  • half-acre noun

Etymology

Origin of acre

First recorded before 1000; Middle English aker, Old English æcer; cognate with Old Frisian ekker, Old Saxon akkar, Old High German ackar ( German Acker ), Old Norse akr, Gothic akers, Latin ager, Greek agrós, Sanskrit ájra-; acorn, agrarian, agrestic, agriculture, agro-

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

They also show the county plans to spray herbicides on more than 2,000 acres in dozens of channels and basins this year, among them the Santa Ana River and Aliso Creek.

From Los Angeles Times

They also work outside every day together, and have acres of land around them to walk their dog on their days off.

From BBC

Douglas-Home said it was set in 160 acres of listed gardens and parkland, offering a "rare combination of archietectural significance, privacy and scale".

From BBC

Maybe DoubleWood—a merger on Jan. 30 combined its two million acres of timberland with PotlatchDeltic’s just over two million acres.

From Barron's

Corn planted in average soil with a typical corn-soybean crop rotation is projected to lose nearly $150 an acre, while soybeans planted in a normal rotation are seen losing almost $90 an acre.

From The Wall Street Journal

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.