senior

英 ['siːnɪə; 'siːnjə] 美['sinɪɚ]

• adj. 高级的；年长的；地位较高的；年资较深的，资格较老的
• n. 上司；较年长者；毕业班学生
• n. (Senior)人名；(英)西尼尔

1. an undergraduate student during the year preceding graduation

2. a person who is older than you are