A person who is older than another; one more advanced in life, One in the fourth or final year of his collegiate course at an American college; -- originally called senior sophister; also, one in the last year of the course at a professional schools or at a seminary, an undergraduate student during the year preceding graduation, adjective_ older; higher in rank; longer in length of tenure or service, used of the fourth and final year in United States high school or college, Older; superior