The Collaborative International Dictionary of English v.0.48:

Mate \Mate\, v. t. [imp. & p. p. Mated; p. pr. & vb. n.
   Mating.]
   1. To match; to marry.
      [1913 Webster]

            If she be mated with an equal husband. --Shak.
      [1913 Webster]

   2. To match one's self against; to oppose as equal; to
      compete with.
      [1913 Webster]

            There is no passion in the mind of man so weak but
            it mates and masters the fear of death. --Bacon.
      [1913 Webster]

            I, . . . in the way of loyalty and truth, . . .
            Dare mate a sounder man than Surrey can be. --Shak.
      [1913 Webster]

   3. To breed; to bring (animals) together for the purpose of
      breeding; as, she mated a doberman with a German shepherd.
      [PJC]

   4. To join together; to fit together; to connect; to link;
      as, he mated a saw blade to a broom handle to cut
      inaccessible branches.
      [PJC]

WordNet (r) 3.0 (2006):

mating
    n 1: the act of pairing a male and female for reproductive
         purposes; "the casual couplings of adolescents"; "the
         mating of some species occurs only in the spring" [syn:
         coupling, mating, pairing, conjugation, union,
         sexual union]