The Chinese word for cup is
杯子

bēi zi

Chinese Definition

cup
1. 名词. 杯子，杯
2. 名词. 一杯（的量）
3. 名词. 杯状物
4. 名词. 奖杯，优胜杯
5. 名词. 优胜杯赛
6. 名词. （胸罩的）罩杯
7. 名词. 混合饮料
8. 动词. 使（手）窝成杯状
9. 动词. 使（双手）成圆状托起
10. 动词. 日语：カップ
11. 动词. 韩语：컵、고뿌
Components
杯
1. drinkware; cup; glass; mug
杯子zi - drinkware; cup; glass
2. cup; trophy
世界杯 - world cup
3. alcoholic drink
貪杯 - to drink alcohol excessively
一杯茶 - a cup of tea
還想喝一杯嗎？ - Would you like another drink?
一大杯水 - a huge glass of water
一杯雪糕 - a cup of ice cream
4. (Cantonese, Min Dong, Min Nan) moon blocks (divination device)
5. usage. Nowadays, the variant character 盃 is chiefly used as sense 2, "cup, trophy".
子
1. (literary) child; offspring
2. son
獨生子 - dúshēngzǐ - only son
愛子 - àizǐ - beloved son
一子一女 - yī zǐ yī nǚ - one son and one daughter
3. (literary) descendant; posterity
4. (Christianity) the Son
5. (in compounds) person
女子 (nǚzǐ) - female; woman
6. (literary) master; teacher
7. (literary) A respectful title for teachers, usually attached after their surnames.
孔子 (Kǒngzǐ) - Master Kong (Confucius)
老子 (Lǎozǐ) - Laozi
8. (literary, polite) you
9. Alternative form of 籽 (seed); also its second-round simplified form.
葵花子 (kuíhuāzǐ) - sunflower seed
10. egg
魚子 (yúzǐ) - caviar
11. young; tender; small
12. Prefix attached to nouns, denoting "a part of", "belonging to" or "individual". sub-
子目錄 (zǐmùlù) - subdirectory
13. (astrology) First earthly branch: rat in the Chinese zodiac, 11th solar month, midnight (11:00 pm to 1:00 am)
14. (historical) viscount (fourth of five ranks of Chinese aristocracy under the Zhou dynasty)
15. (physics, biology) -on
16. (Min Nan) grain-like object; particle; granule
17. (Min Nan, music) rhythm
18. (Min Nan)
19. Suffix:
20. Used to nominalize.
21. 瓶子zi - píngzi - bottle
22. 刷子zi - shuāzi - brush
23. 胖子zi - pàngzi - fat person
24. (colloquial) Used in some classifiers.
25. 一下子zi - yīxiàzi - all of a sudden
26. small, round object
算盤子jí (sǹg-pôaⁿ-jí) - abacus bead, MN
27. (Xiamen, Quanzhou)
28. (Zhangzhou, Taiwan)