Senior word meaning and definition

[noun] a person who is older than you are
[noun] an undergraduate student during the year preceding graduation
[adjective] advanced in years; (`aged' is pronounced as two syllables); "aged members of the society"; "elderly residents could remember the construction of the first skyscraper"; "senior citizen"
[adjective] older; higher in rank; longer in length of tenure or service; "senior officer"

\Sen"ior\, a. [L. senior, compar. of senex, gen. senis, old. See {Sir}.] 1. 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. Belonging to the final year of the regular course in American colleges, or in professional schools.
\Sen"ior\, n. 1. A person who is older than another; one more advanced in life. 2. One older in office, or whose entrance upon office was anterior to that of another; one prior in grade. 3. An aged person; an older. --Dryden. Each village senior paused to scan, And speak the lovely caravan. --Emerson. 4. 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.

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