The Collaborative International Dictionary of English v.0.48:

Freeman \Free"man\, n.; pl. Freemen. [AS. fre['o]man;
   fre['o]free + mann man.]
   1. One who enjoys liberty, or who is not subject to the will
      of another; one not a slave or vassal.
      [1913 Webster]

   2. A member of a corporation, company, or city, possessing
      certain privileges; a member of a borough, town, or State,
      who has the right to vote at elections. See Liveryman.
      --Burrill.
      [1913 Webster]

            Both having been made freemen on the same day.
                                                  --Addison.
      [1913 Webster]

WordNet (r) 3.0 (2006):

freeman
    n 1: a person who is not a serf or a slave [syn: freeman,
         freewoman]