Collins Russian Dictionary 2nd Edition © HarperCollins Publishers 2000, 1997:
baby-minder [ˈbeɪbɪˈmaɪndər] n (BRIT) ня́ня*(присма́тривающая за детьми́ у себя́ до́ма)
* is used to mark translations which have irregular inflections. The Russian-English side of the dictionary gives inflectional information.