\Ar"pent\, Arpen \Ar"pen\, n. [F. arpent, fr. L.
arepennis, arapennis. According to Columella, a Gallic word
for a measure equiv. to half a Roman jugerum.]
Formerly, 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.