• The chemical element samarium.

abbreviation

• 1Service mark.

• 2

  (also S & M)

  Sadomasochism.

  Synonyms

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

• 4Short meter.