Natural wine.

Natural wine. The product of the juice or must of sound, ripe grapes or other sound, ripe fruit (including berries) made with any proper cellar treatment and containing not more than 21 percent by weight (21 degrees Brix dealcoholized wine) of total solids. For purposes of this definition, proper cellar treatment means a production practice or procedure authorized for natural wine by part 24 of this chapter, or, in the case of natural wine produced and imported subject to an international agreement or treaty, those practices and procedures acceptable to the United States under that agreement or treaty.

Source

27 CFR § 27.11

Scoping language

When used in this part and in forms prescribed under this part, where not otherwise distinctly expressed or manifestly incompatible with the intent thereof, terms shall have the meaning ascribed in this section. Words in the plural form shall include the singular, and vice versa, and words importing the masculine gender shall include the feminine. The terms includes and including do not exclude things not enumerated which are in the same general class.