Source : Webster's Revised Unabridged Dictionary (1913)

Join \Join\ (join), v. t. [imp. & p. p. {Joined}; p. pr. & vb.
   n. {Joining}.] [OE. joinen, joignen, F. joindre, fr. L.
   jungere to yoke, bind together, join; akin to jugum yoke. See
   {Yoke}, and cf. {Conjugal}, {Junction}, {Junta}.]
   1. To bring together, literally or figuratively; to place in
      contact; to connect; to couple; to unite; to combine; to
      associate; to add; to append.

            Woe unto them that join house to house. --Is. v. 8.

            Held up his left hand, which did flame and burn Like
            twenty torches joined.                --Shak.

            Thy tuneful voice with numbers join.  --Dryden.

   2. To associate one's self to; to be or become connected
      with; to league one's self with; to unite with; as, to
      join a party; to join the church.

            We jointly now to join no other head. --Dryden.

   3. To unite in marriage.

            He that joineth his virgin in matrimony. --Wyclif.

            What, therefore, God hath joined together, let not
            man put asunder.                      --Matt. xix.
                                                  6.

   4. To enjoin upon; to command. [Obs. & R.]

            They join them penance, as they call it. --Tyndale.

   5. To accept, or engage in, as a contest; as, to join
      encounter, battle, issue. --Milton.

   {To join battle}, {To join issue}. See under {Battle},
      {Issue}.

   Syn: To add; annex; unite; connect; combine; consociate;
        couple; link; append. See {Add}.

Source : WordNet®

joining
     n : the act of bringing two things into contact (especially for
         communication); "the joining of hands around the table";
         "there was a connection via the internet" [syn: {connection},
          {connexion}]