major

major (http://definr.com/major)

     adj 1: of greater importance or stature or rank; "a major artist";
            "a major role"; "major highways" [ant: minor]
     2: greater in scope or effect; "a major contribution"; "a major
        improvement"; "a major break with tradition"; "a major
        misunderstanding" [ant: minor]
     3: greater in number or size or amount; "a major portion (a
        majority) of the population"; "Ursa Major"; "a major
        portion of the winnings" [ant: minor]
     4: of the field of academic study in which one concentrates or
        specializes; "his major field was mathematics" [ant: minor]
     5: (music) of a scale or mode; "major scales"; "the key of D
        major" [ant: minor]
     6: of greater seriousness or danger; "a major earthquake"; "a
        major hurricane"; "a major illness" [ant: minor]
     7: (law) of full legal age; "major children" [ant: minor]
     8: (British) of the elder of two boys with the same family
        name; "Jones major" [syn: major(ip)]
     n 1: a commissioned military officer in the United States Army or
          Air Force or Marines; below lieutenant colonel and above
          captain
     2: a university student who is studying a particular field as
        the principal subject; "she is a linguistics major"
     3: the principal field of study of a student at a university;
        "her major is linguistics"
     v : have as one's principal field of study; "She is majoring in
         linguistics"