nArpenFormerly, a measure of land in France, varying in different parts of the country. The arpent of Paris was 4,088 sq. yards, or nearly five sixths of an English acre. The woodland arpent was about 1 acre, 1 rood, 1 perch, English.
Century Dictionary and Cyclopedia
narpenSame as arpent.
Webster's Revised Unabridged Dictionary
F. arpent, fr. L. arepennis, arapennis,. According to Columella, a Gallic word for a measure equiv. to half a Roman jugerum,