Definition of black acre in English:

black acre

noun

Law
  • An arbitrary name given to a theoretical portion of land, especially used to distinguish it from a second, ‘white’ acre, and perhaps a third, ‘green’ acre.

Origin

Early 17th century; earliest use found in Francis Bacon (1561–1626), lord chancellor, politician, and philosopher. From black + acre.

Pronunciation

black acre

/ˈblak eɪkə/