There are 2 main definitions of Sm in English:

Sm1

Syllabification: Sm

symbol

The chemical element samarium.

Definition of Sm in:

There are 2 main definitions of Sm in English:

SM2

Syllabification: SM

abbreviation

1.1 (also S & M) Sadomasochism.
1.3Short meter.

Definition of Sm in: