DICT.TW Dictionary Taiwan

 stum
 未發酵的葡萄汁

 Stum n.
 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.

 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.
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