The Chinese word for grape is
葡萄

pú táo

Chinese Definition

grape
1. 葡萄
Components
葡
1. Used in 葡萄 (grape) (and related terms.)
2. Short for 葡萄牙, Portugal
3. (chiefly Cantonese by extension in compounds) Macau
4. 葡幣 - Macanese pataca -
5. 葡汁 - Portuguese sauce (a kind of sauce in Macanese cuisine) -
萄
1. a kind of grass
2. Used in 葡萄

葡萄
1. n. grape
2. v. (Hong Kong Cantonese, neologism, slang) to be jealous; to envy (from (m, zh, 吃不到的葡萄是酸的, t=the grapes are sour anyway, tr=-))