\ ˈā-kər How to pronounce acre (audio) \

Definition of acre

 (Entry 1 of 3)

1a archaic : a field especially of arable land or pastureland
b acres plural : lands, estate
2 : any of various units of area specifically : a unit in the U.S. and England equal to 43,560 square feet (4047 square meters) — see Weights and Measures Table
3 : a broad expanse or great quantity acres of free publicity


geographical name (1)
\ ˈä-krē How to pronounce Acre (audio) , -(ˌ)krā How to pronounce Acre (audio) \

Definition of Acre (Entry 2 of 3)

state in western Brazil bordering on Peru and Bolivia; capital Rio Branco area 59,343 square miles (153,698 square kilometers), population 733,559


geographical name (2)
\ ˈä-kər How to pronounce Acre (audio) , ˈā-kər, ˈä-krə How to pronounce Acre (audio) \
variants: or Hebrew ʽAkko or Old Testament Accho \ ˈä-​kō How to pronounce Accho (audio) , ˈā-​ \ or New Testament Ptolemaïs \ ˌtä-​lə-​ˈmā-​əs How to pronounce Ptolemaïs (audio) \

Definition of Acre (Entry 3 of 3)

city and port at the head of a bay on the Mediterranean Sea north of Mount Carmel in northwestern Israel population 37,400

Examples of acre in a Sentence

Noun The house sits on two acres of land. They own hundreds of acres of farmland.
Recent Examples on the Web: Noun That system could drop between a tenth or an inch to a quarter of an inch of rain, with the possibility of some of it dampening the area around the million-acre August Complex Fire, which stretches across seven counties. Michael Cabanatuan,, "Cooler temps headed to Bay Area, but chance of rain vanishes," 8 Oct. 2020 The panel agreed with a number of opponents who said the A-4 density, which allows four homesites per acre, was too high for the Brewster Road area, which already suffers from daily traffic congestion. Bill Mchugh,, "Parish zoning meeting marked by denials," 7 Oct. 2020 Pines, spruces, and larches stand tall in the 30-million-acre Northern Forest, the largest intact ecosystem east of the Mississippi. Stephanie Vermillion, National Geographic, "See New England’s vibrant fall foliage on an epic canoe trail," 1 Oct. 2020 The sizable salmon runs in this almost 2-million-acre sanctuary draw ardent anglers—and not just the human kind. Kathryn O’shea-evans, WSJ, "4 Wildlife Refuges To Visit This Fall—Just You and the Moose," 25 Sep. 2020 The administration has also opened up the 19-million-acre Arctic National Wildlife Refuge to oil and gas drilling, and this year proposed to open almost all of the National Petroleum Reserve, far to the west of the refuge, to additional drilling. Coral Davenport, New York Times, "Trump Administration Releases Plan to Open Tongass Forest to Logging," 24 Sep. 2020 The decision makes the entire coastal plain – 8% of the 19.3-million-acre refuge – available for oil and gas leasing and potential development. Mark Thiessen, The Christian Science Monitor, "What a controversial oil and gas leasing plan means for Alaskans," 18 Aug. 2020 Secretary of the Interior David Bernhardt signed the Record of Decision, which will determine where oil and gas leasing will take place in the refuge's coastal plain, a 1.56-million acre swath of land on Alaska's north shore with the Beaufort Sea. CBS News, "Trump administration approves oil leasing plan for iconic wildlife refuge in Alaska," 17 Aug. 2020 Secretary of the Interior David Bernhardt signed the Record of Decision, which will determine where oil and gas leasing will take place in the refuge’s coastal plain, a 1.56-million acre swath of land on Alaska’s north shore with the Beaufort Sea. Mark Thiessen, Star Tribune, "US approves oil, gas leasing plan for Alaska Wildlife refuge," 17 Aug. 2020

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'acre.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of acre


before the 12th century, in the meaning defined at sense 1a

History and Etymology for acre


Middle English aker, acre, going back to Old English æcer, going back to Germanic *akraz (whence also, with k geminate in West Germanic, Old Saxon akkar "field," Old High German ackar, Old Norse akr "arable land," Gothic akrs "field"), going back to Indo-European *h2eǵros, whence also Latin ager, "piece of land, field," Greek agrós, Sanskrit ájrah

Note: This Indo-European noun is traditionally linked to the verbal base *h2eǵ- "drive (cattle, etc.)" (see agent, on the assumption that *h2eǵ-ros originally meant "pasture," "fallow land," onto which the cattle were driven, and later developed other senses, as "cultivated field." The semantic plausibility of such a derivation has recently been questioned, however.

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Time Traveler for acre

Time Traveler

The first known use of acre was before the 12th century

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Statistics for acre

Last Updated

15 Oct 2020

Cite this Entry

“Acre.” Dictionary, Merriam-Webster, Accessed 25 Oct. 2020.

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More Definitions for acre


How to pronounce Acre (audio)

English Language Learners Definition of acre

: a measure of land area in the U.S. and Britain that equals 4,840 square yards (about 4,047 square meters)


\ ˈā-kər How to pronounce acre (audio) \

Kids Definition of acre

: a measure of land area equal to 43,560 square feet (about 4047 square meters)

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More from Merriam-Webster on acre

Nglish: Translation of acre for Spanish Speakers

Britannica English: Translation of acre for Arabic Speakers Encyclopedia article about acre

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