
1) Canadian land unit
Found on
https://www.crosswordclues.com/clue/arpen

• (n.) 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.
Found on
http://thinkexist.com/dictionary/meaning/arpen/

Armor penetration
Found on
http://www.chatslang.com/terms/online_gaming

<historical> 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. ... According to Columella, a Gallic word for a measure equiv. To half a Roman jugerum. ... Origin: F....
Found on
http://www.encyclo.co.uk/local/20973
No exact match found.