红酒 (hóng jiǔ) literally means 'red wine' — a fermented alcoholic beverage made from dark-colored grape varieties. The character 红 (hóng) means 'red', describing the deep red to purple hue of the wine, while 酒 (jiǔ) is the general term for 'alcoholic drink' or 'wine'. Unlike the broader term 葡萄酒 (pú táo jiǔ, 'grape wine'), which includes both red and white varieties, 红酒 specifically refers only to red grape wine.

This word is commonly used in everyday contexts such as dining, gift-giving, cooking, and social gatherings. It appears frequently on restaurant menus, supermarket labels, and wine-tasting events in China. While traditional Chinese alcoholic drinks like baijiu are distilled, 红酒 is always fermented and served at room temperature or slightly chilled. Its usage reflects growing familiarity with Western-style beverages in modern Chinese life, especially among urban, educated speakers.