Definitions from Black's Law Dictionary: 2nd Edition and Ballentine's Law Dictionary as are available for each term in each dictionary.
  • Black's Law Dictionary: 2nd Edition

    A quantity of land containing 160 square rods of land, in whatever shape. Serg. Land Laws Pa. 185; Cro. Eliz. 476, 665 ; 6 Coke, 67; Poph. 55; Co. Litt. 5b. Originally the word "acre" (acer, aker, or Sax. œccr) was not used as a measure of land, or to signify any determinate quantity of land, but to denote any open ground, (latum quantumvis agrum,) wide champaign, or field ; which is still the meaning of the German acker, derived probably from the same source, and is reserved in the names of some places in Bng-and, as Castle Acre, South Acre, etc. Burrill.