a. A plot or piece of land, a field; spec. a piece of tilled or arable land. Now arch. and in proper names, as Long Acre.church, God's acre, etc.: see the first element.
b. In pl. Rhetorically: lands, fields, estates.
a. A measure of land area, originally as much as a yoke of oxen could plough in a day, later defined by English statute as an area 220 yards (40 poles) long by 22 yards (4 poles) broad (equal to 4,840 square yards, 4 roods, or approx. 4,047 square metres), or its equivalent of any shape.The relevant statutes are 5 Edw. I, 31 Edw. III, 24 Hen. VIII. In many contexts now superseded by the hectare. Irish, Scotch, Welsh acre, etc., and following numerals (chiefly forming compound nouns), as forty-, five-, ten-acre, etc.: see the first element.
b. In extended use: a wide expanse; (in pl.) large quantities.
3. A measure of length equal to either the length or breadth of an acre, later defined by English statute respectively as 220 yards (40 poles, or approx. 200 metres) and 22 yards (4 poles, or approx. 20 metres). Cf. acre breadth n., acre brede n., acre length n. Now rare.
†4. An alleged term for: a duel fought between English and Scottish borderers. Obs. [Probably after post-classical Latin acram committere in the Annals of Burton Abbey (1237), in which acram probably shows a poor translation of camp n.1]
acre breadth n. chiefly regional (Sc. and north. Eng.) = acre's breadth n. at Compounds 2.
acre-foot n. a unit of volume equal to one acre in area and one foot in depth (approx. 43,600 cubic feet, 1200 cubic metres), typically used for water.
acre-land n. (a) ploughed or arable land; a piece of such land; spec. a holding or tenement, varying in extent from 8 to 20 acres according to locality; (now hist.); †(b) a piece of land consisting of one acre (obs. rare). [Attested earlier in place names, as Akerlande, West Riding, Yorkshire (a1193; now Lower Acreland), Akerlond (field name), Alvaston and Boulton, Derbyshire (1262), although the precise sense reflected by these examples is uncertain.]
acre length n. now rare = acre's length n. at Compounds 2; cf. acre lengh n.
acre money n. now hist. and rare (a) rent paid on a piece of land taken in from moorland or common land; (b) Caribbean rent paid per acre for the right to work, prospect, etc., on a piece of land.
acre's breadth n. the breadth of an acre; 4 poles or 22 yards; cf. acre breadth n. at Compounds 1.
acre's length n. the length of an acre; 40 poles, 220 yards, or a furlong; cf. acre length n. at Compounds 1.
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