1) Arable land left fallow or ploughed land ready for sowing.
1526 a waste lyeng in Bryggate with thre akers arder land, Knaresborough
1554 Item the arders of the lande iijli vjs viijd, South Cave
1613 hath there plued … divers arders … furrowes of my landes and balkes and plowed up bounders, Brandsby
1642 when we come to sowe olde ardures, Elmswell. The origin of the word is uncertain, so the following spellings should be noted: 1571 the ardelles of land with the dung
1634 for ploughing errdalls, Elmswell.