bar·ton \ˈbärtən\noun (-s) Etymology: Middle English berton, from Old English beretūn threshing floor, barn, from bere barley + tūn enclosure — more at barley, town 1.dialect England: a large farm; especially: a demesne farm or the demesne lands of a manor 2.dialect England a.: a farmyard or the outbuildings behind a farmhouse b.: a poultry yard or hen coop