acre

noun

1. An English unit of land area (symbol: a. or ac.) originally denoting a day's ploughing for a yoke of oxen, now standardized as 4,840 square yards or 4,046.86 square metres.

   “Buried within the Mediterranean littoral are some seventy to ninety million tons of slag from ancient smelting, about a third of it concentrated in Iberia. This ceaseless industrial fueling caused the deforestation of an estimated fifty to seventy million acres of woodlands.”

2. (historical)An English unit of land area (symbol: a. or ac.) originally denoting a day's ploughing for a yoke of oxen, now standardized as 4,840 square yards or 4,046.86 square metres.
3. Any of various similar units of area in other systems.
4. (informal, plural-normally)A wide expanse.

   “I like my new house—there’s acres of space!”

5. (informal, plural-normally)A large quantity.
6. (obsolete)A field.
7. (obsolete)The acre's breadth by the length, English units of length equal to the statute dimensions of the acre: 22 yd (≈20 m) by 220 yd (≈200 m).
8. (obsolete)A duel fought between individual Scots and Englishmen in the borderlands.

name

1. A port city in northern Israel, holiest city in the Baháʼí Faith.
2. A river in South America.
3. A state of the North Region, Brazil. Capital: Rio Branco.
4. A surname.