Definition of SM in English:

SM

  • 1Service mark.

  • 2Sadomasochism.

    flogging, whipping, beating, scourging, lashing, birching, switching, tanning, strapping, belting, caning, thrashing, flailing, flaying, welting, horsewhipping, spanking
    View synonyms
  • 3Sergeant major.

  • 4Short meter.

Definition of Sm in English:

Sm

  • The chemical element samarium.