Pronunciation: är- ' pä n
Function: noun
Inflected Form: plural ar · pents \ - ' pä n (z) \
Etymology: Middle French
Date: 1580
1 : any of various old French units of land area especially : one used in French sections of Canada and the U.S. equal to about 0.85 acre (0.34 hectare)
2 : a unit of length equal to one side of a square arpent