Noah Webster's Dictionary 1. (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. 2. (a.) Belonging to the final year of the regular course in American colleges, or in professional schools. 3. (n.) A person who is older than another; one more advanced in life. 4. (n.) One older in office, or whose entrance upon office was anterior to that of another; one prior in grade. 5. (n.) An aged person; an older. 6. (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.

Multi-Version Concordance Senior (3 Occurrences) 2 Kings 19:2 And he sent Eliakim, who was over the household, and Shebna the scribe, and the elders of the priests, covered with sackcloth, unto Isaiah the prophet the son of Amoz. (See RSV) Isaiah 37:2 And he sent Eliakim, who was over the household, and Shebna the scribe, and the elders of the priests, covered with sackcloth, unto Isaiah the prophet the son of Amoz. (See RSV) Jeremiah 19:1 Thus said Yahweh, Go, and buy a potter's earthen bottle, and take of the elders of the people, and of the elders of the priests; (See NAS RSV)