Collins Russian Dictionary 2nd Edition © HarperCollins Publishers 2000, 1997:
mow [məu] (pt mowed) (pp mowed or mown) vt (grass) подстрига́ть (подстри́чь*perf) (hay) коси́ть*(скоси́ть*perf)
mow down vt (kill) коси́ть*(скоси́ть*perf)
* is used to mark translations which have irregular inflections. The Russian-English side of the dictionary gives inflectional information.
Русский: