预定 Traditional form: 預定 Pinyin (reading): yùdìng Definitions: to schedule in advance Characters: 预 - to prepare, to arrange; in advance 定 - to decide, to fix, to settle; to order; definite, fixed, sure Traditional characters: 預 - to prepare, to arrange; in advance 定 - to decide, to fix, to settle; to order; definite, fixed, sure