STUM, noun [G.] 1. Must; wine unfermented. 2. New wine used to raise fermentation in dead or vapid wines. 3. Wine revived by a new fermentation. STUM, verb transitive 1. To renew wine by mixing must with it, and raising a new fermentation. We stum our wines to renew their spirits. 2. To fume a cask or liquor with burning brimstone. [Local.]
Source: Webster's 1828 American Dictionary ↗ · public-domain · returned verbatim, no AI