Collins Russian Dictionary 2nd Edition © HarperCollins Publishers 2000, 1997:
lampoon [læmˈpuːn] n па́сквиль m
vt писа́ть*(написа́ть*perf) па́сквиль на +acc
* is used to mark translations which have irregular inflections. The Russian-English side of the dictionary gives inflectional information.
Русский: