
• (p. pr. & vb. n.) of Cooper
Found on
http://thinkexist.com/dictionary/meaning/coopering/
Coop'er·ing noun Work done by a cooper in making or repairing barrels, casks, etc.; the business of a cooper.
Found on
http://www.encyclo.co.uk/webster/C/155

Coopering (from the Dutch koopcr, a buyer, a dealer), was a term applied to the selling or bartering of strong drink, tobacco, etc, but especially drink, to the fishermen engaged in their business on the North Sea, by boats from Dutch or other foreign ports - a trade, which was rife during the 19th century but which was put down by the efforts of t...
Found on
http://www.probertencyclopaedia.com/browse/JC.HTM

Coopering was 19th century slang for the selling or bartering of strong drink, tobacco, etc, but especially drink, by North Sea fishermen to foreign ships.
Found on
http://www.probertencyclopaedia.com/browse/ZCA.HTM

these terms refer to the act, person and building involved with creating, and the mending of, the casks used in maturation.
Found on
https://foodanddrink.scotsman.com/drink/glossary-terms-used-world-whisky/
No exact match found.