Collins Russian Dictionary 2nd Edition © HarperCollins Publishers 2000, 1997:
coupling [ˈkʌplɪŋ] n (RAIL) сцепле́ние
* is used to mark translations which have irregular inflections. The Russian-English side of the dictionary gives inflectional information.
couple [ˈkʌpl]
n (married couple) супру́ги pl
(of people, things) па́раvt (ideas, names) свя́зывать (связа́ть*perf) (machinery) сцепля́ть (сцепи́ть*perf)
a couple of (two, a few) па́ра +gen
* is used to mark translations which have irregular inflections. The Russian-English side of the dictionary gives inflectional information.