a defined area of land usually measured in one or more square miles usually surrounded by a fence or boundary marker trees, grass, or other vegetation may or may not be present buildings, roads, or other man-made structures may be present
acre which is a defined area of land acre which has usually measured in one or more square miles acre which has usually surrounded by a fence or boundary marker acre which has trees, grass, or other vegetation may or may not be present acre which has buildings, roads, or other man-made structures may be present