大拇指 Traditional form: 大拇指 Pinyin (reading): dàmuzhǐ Definitions: thumb Characters: 大 - big, great, vast, high, deep 拇 - thumb; big toe 指 - finger, toe; to point, to indicate Traditional characters: 大 - big, great, vast, high, deep 拇 - thumb; big toe 指 - finger, toe; to point, to indicate