Source : Webster's Revised Unabridged Dictionary (1913)

Couple \Cou"ple\, v. t. [imp. & p. p. {Coupled} (k?p"'ld); p.
   pr. & vb. n. {Coupling} (-l?ng).] [F. coupler, fr. L.
   copulare. See {Couple}, n., and cf. {Copulate}, {Cobble}, v.]
   1. To link or tie, as one thing to another; to connect or
      fasten together; to join.

            Huntsman, I charge thee, tender well my hounds, . .
            . And couple Clowder with the deep-mouthed brach.
                                                  --Shak.

   2. To join in wedlock; to marry. [Colloq.]

            A parson who couples all our beggars. --Swift.

Source : WordNet®

coupled
     adj 1: joined together especially in a pair or pairs [syn: {conjugate},
             {conjugated}]
     2: connected by a link, as railway cars or trailer trucks [syn:
         {joined}, {linked}]