se·nior /ˈsinjɚ/
  (a.)年長的;資格較老的,地位較高的年長者,前輩;大學高年級學生。
  senior
  資深
  Sen·ior a.
  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.
  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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  senior
       adj 1: older; higher in rank; longer in length of tenure or
              service; "senior officer" [ant: junior]
       2: used of the fourth and final year in United States high
          school or college; "the senior prom" [syn: senior(a), fourth-year]
       3: 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" [syn: aged, elderly, older]
       n 1: an undergraduate student during the year preceding
            graduation
       2: a person who is older than you are [syn: elder]