The Collaborative International Dictionary of English v.0.48:

homecoming \home"com`ing\, home-coming \home"-com`ing\, n.
   1. A return home. [WordNet sense 2]
      [1913 Webster]

            Kepeth this child, al be it foul or fayr,
            And eek my wyf, unto myn hoom-cominge. --Chaucer.
      [1913 Webster]

   2. A social event, usually held annually at colleges and
      universities, to welcome visiting alumni; a type of school
      reunion for graduates. [WordNet sense 1]
      [PJC]