DCHP-1 Online
butter tub [< Cdn F pot au beurre in similar sense, a term used by the fur traders and voyageurs] Slang, Hist. 
jail; guard-house, especially at a police post or trading post.
See also: pot au beurre
butter tub [< Cdn F pot au beurre in similar sense, a term used by the fur traders and voyageurs] Slang, Hist.
jail; guard-house, especially at a police post or trading post.
See also: pot au beurre