L. Lat. In old pleading. A grocer. But see 1 Ventr. 142. ARPENNIS, Arpennus, Arpendus, Arpentum. L. Lat. An arpent; a measure of land frequently mentioned in Domesday Book. Spelman. Various other forms of the word occur in old laws and writers; as arpennum, arpendium, arapennis, arepennis, aripennis, aripennum, arvipennium, and arvipendium. Id. ARPEN, Arpent. Fr. [L. Lat. arpennis, arpennus; by some derived from arare, to plough.] A measure of land of uncertain quantity, mentioned in Domesday and other old books; by some called an acre, by others half an acre, and by others a furlong. Spelman, voc. Arpennis. Cowell. Blount. A measure of land in Louisiana. 6 Peters' R. 763. A French measure of land, containing