whiteacre

[ hwahyt-ey-ker, wahyt- ]
/ ˈʰwaɪtˌeɪ kər, ˈwaɪt- /

noun (often initial capital letter)

an arbitrary name for a piece of land used for purposes of supposition in legal argument or the like (often distinguished from blackacre).

Origin of whiteacre

First recorded in 1635–45; white + acre