As used in this chapter, unless the context requires a different meaning: “Enology” means those practices and that body of knowledge involved in the production, aging, storing, and packaging of wine. “Farm winery” or “winery” means an “establishment” as defined in § 4.1-100. “Grape grower” means a commercial grower who: (i) sells at least $10,000 worth of grapes annually; or (ii) has planted and maintains at least three acres of vines of a type used for the production of wine. “Viticulture” means the cultivation and study of grapes and grapevines. “Wine” means an alcoholic beverage as defined in § 4.1-100. “Winegrower” means any person or entity producing wine from approved products grown by that individual.