croupon

Borrowed from German Croupon, from French croupon, from Middle French crepon, from Old French crepon, from crope (“buttocks”) +‎ -on.

• IPA^(key): /ˈkɹuːpən/, /ˈkɹuːpɒn/

croupon (plural croupons)

1. (leatherworking, technical) A cowhide with the belly and neck removed.
   • 1913 January, Pierre Geurten, “Chrome Belting”, in The Journal of the American Leather Chemists Association‎^[1], volume 8, number 1, American Leather Chemists Association, page 118:

     The hot air is shut off and 2 pailfuls cold water added with ½ liter benzin per croupon […]

   • 1963 March 6, “Republic of China: Item 2”, in AID Small Business Circular‎^[2], Washington, D.C.: Department of State, page 2:

     Monfort Butt Branded Steer Croupon, Mostly Beef Type, Range 32/40 lbs, av. 35/38 lb

   • 1975 September, “Raichle: Now More than Ever”, in Backpacker‎^[3], volume 3, number 3, New York: Backpacker Inc., →ISSN, page 72:

     One-piece, Grade AA Gallusser croupon, flesh-out leather (3.5-3.7mm thick) with a very high (25%) grease content.

Inherited from Middle English cropoun, from Anglo-Norman cropoun (continental Old French crepon), thus a doublet of Etymology 1.

• IPA^(key): /ˈkɹuːpən/

croupon (plural croupons)

1. (obsolete) The croup of a horse or quadruped.
2. (obsolete) The human buttocks.