The Collaborative International Dictionary
Cuinage
Cuinage \Cuin"age\ (kw?n`?j), n. [Corrupted fr. coinage.] The stamping of pigs of tin, by the proper officer, with the arms of the duchy of Cornwall.
Wiktionary
cuinage
n. (context obsolete UK English) The stamping of pigs of tin, by the proper officer, with the arms of the duchy of Cornwall.