Wine.
Wine. When used without qualification, the term includes every kind (class and type) of product produced on bonded wine premises from grapes, other fruit (including berries), or other suitable agricultural products and containing not more than 24 percent of alcohol by volume. The term includes all imitation, other than standard, or artificial wine and compounds sold as wine. A wine product containing less than one-half of one percent alcohol by volume is not taxable as wine when removed from the bonded wine premises.
Source
27 CFR § 31.1
Scoping language
As used in this part, the following terms shall have the meanings indicated unless either the context in which they are used requires a different meaning, or a different definition is prescribed for a particular subpart, section, or portion of this part: