An "acre ranch" refers to a piece of land measuring one acre in size that is used for farming, raising livestock, or other agricultural activities. Full definition
His elderly father, concerned that his six sons are isolated on their highly prosperous 800,000 - acre ranch signed up one of his oldest boys and did a little matchmaking behind their backs. (dailyfreebooks.com)
A 2 acre ranch completely fenced in where dogs can roam and play as they wish. (sfwags.com)