Plural of arpen; multiple units of land measurement in the arpent system.
From arpen + -s (English plural suffix). The plural form appears in historical land records where multiple parcels were described using French measurement units.
Arpens in plural reveal an interesting historical fact: many American land deeds from colonial times use French measurements, and today's property boundaries in some old cities still follow these ancient French-measured lots from hundreds of years ago.
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