Definitions
1.nounA military rank between captain and lieutenant colonel."He used to be a major in the army."
2.nounThe main area of study of a student working toward a degree at a college or university."Midway through his second year of college, he still hadn't chosen a major."
3.nounA student at a college or university concentrating on a given area of study."She is a math major."
4.nounA person of legal age.
5.nounThe major premise.
6.nounA touchdown, or major score.
7.nounA large, commercially successful company, especially a record label that is bigger than an indie.
8.noun(British slang) An elder brother (especially at a public school).
9.nounA large leaf-cutter ant that acts as a soldier, defending the nest.