acre

noun

ˈā-kər 

1

a

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

Examples of acre in a Sentence

The house sits on two acres of land.

They own hundreds of acres of farmland.

Recent Examples on the Web

Its unique 317-acre setting in the foothills of the Sangre de Cristo mountains gives guests the gift of a total immersion in nature, despite being just minutes from New Mexico’s world heritage city. — Condé Nast, Condé Nast Traveler, 6 Oct. 2026

Bark beetles killed more than 54 million acres of pines across the West in the early 2000s, an area the size of the state of Utah. — ABC News, 5 Oct. 2026

The trail travels through The Bald Head Woods Coastal Reserve, a 186-acre maritime forest ecosystem that is part of the North Carolina Coastal Reserve. — Mark Price, Charlotte Observer, 5 Oct. 2026

Word History

Etymology

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.

First Known Use

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

Phrases Containing acre

• acre-foot
• acre-inch
• God's acre

Rhymes for acre

• automaker
• boilermaker
• cabinetmaker
• coffeemaker
• troublemaker
• undertaker
• blackacre
• caretaker
• clockmaker
• dressmaker
• filmmaker
• homemaker

Kids Definition

acre

noun

ˈā-kər 

1

plural : property consisting of land : estate

2

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

Etymology

Old English æcer "field, cultivated land"

Geographical Definition

Acre 1 of 2

geographical name (1)

ˈä-krē 

-(ˌ)krā

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

Acre

2 of 2

geographical name (2)

ˈä-kər  ˈā-kər  ˈä-krə 

variants or Hebrew ʽAkko or Old Testament Accho

ˈä-kō 

ˈā-

or New Testament Ptolemaïs

ˌtä-lə-ˈmā-əs 

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