Source : Webster's Revised Unabridged Dictionary (1913)

Majority \Ma*jor"i*ty\, n.; pl. {Majorities}. [F. majorit['e].
   See {Major}.]
   1. The quality or condition of being major or greater;
      superiority. Specifically:
      (a) The military rank of a major.
      (b) The condition of being of full age, or authorized by
          law to manage one's own affairs.

   2. The greater number; more than half; as, a majority of
      mankind; a majority of the votes cast.

   3. [Cf. L. majores.] Ancestors; ancestry. [Obs.]

   4. The amount or number by which one aggregate exceeds all
      other aggregates with which it is contrasted; especially,
      the number by which the votes for a successful candidate
      exceed those for all other candidates; as, he is elected
      by a majority of five hundred votes. See {Plurality}.

   {To go over to, or To join}, {the majority}, to die.

Source : WordNet®

majority
     n 1: the property resulting from being or relating to the greater
          in number of two parts; the main part; "the majority of
          his customers prefer it"; "the bulk of the work is
          finished" [syn: {bulk}] [ant: {minority}]
     2: (elections) more than half of the votes [syn: {absolute
        majority}]
     3: the age at which a person is considered competent to manage
        their own affairs [syn: {legal age}] [ant: {minority}]