(a.) More advanced than another in age; prior in age; elder;
hence, more advanced in dignity, rank, or office; superior; as, senior
member; senior counsel.
(a.) Belonging to the final year of the regular course in
American colleges, or in professional schools.
(n.) A person who is older than another; one more advanced in
life.
(n.) One older in office, or whose entrance upon office was
anterior to that of another; one prior in grade.
(n.) An aged person; an older.
(n.) 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.
