C0MMON APPURTENANT, Eng. law. A right granted by deed, by the owner of waste or other land, to another person, owner of other land, to have his cattle, or a particular description of cattle; levant and couchant upon the land, at certain seasons of the year, or at all times of the year. An uninterrupted usage for twenty years, is evidence of a grant. 15 East, 116.