Collins Russian Dictionary 2nd Edition © HarperCollins Publishers 2000, 1997:
lumber [ˈlʌmbər] n (esp US) (wood) лесоматериа́лы mpl (junk) ру́хлядь f
vi
to lumber about/along, etc тащи́ться (impf)
lumber with vt
to lumber sb with sthнавя́зывать (навяза́ть*perf) кому́-н что-н
he was lumbered with all the work ему́ навяза́ли всю рабо́ту
* is used to mark translations which have irregular inflections. The Russian-English side of the dictionary gives inflectional information.