stong

noun1

1. •
   (no longer used, historical) An area of land equivalent to a quarter of an acre; a rood; a stang.

   • Thomas, son of Gilbert, 1 acre 3 stong. In marsh, 1 acre 20 perches. Conan, his brother, 4 acres 3 stong. In marsh, 1 acre and half a stong. […] — 1903