Stum (?), n. [D. stom must, new
wort, properly, dumb; cf. F. vin muet stum. Cf.
Stammer, Stoom.] 1. Unfermented
grape juice or wine, often used to raise fermentation in dead or vapid
wines; must.
Let our wines, without mixture of stum, be all
fine.
B. Jonson.
And with thy stum ferment their fainting
cause.
Dryden.
2. Wine revived by new fermentation, reulting
from the admixture of must. Hudibras.
Stum, v. t. [imp. & p.
p. Stummed (?); p. pr. & vb. n.
Stumming.] To renew, as wine, by mixing must with it and
raising a new fermentation.
We stum our wines to renew their
spirits.
Floyer.