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definitions

S-M

or s-m, S/M, s/m

Also S and M. sadomasochism.
sadomasochistic.

S and M

or S&M, s&m

sadomasochism; sadism and masochism.

Origin of S and M

First recorded in 1965–70

S.&M.

Insurance.

stock and machinery.

S.M.

1

Master of Science.

Origin of S.M.

1
From the New Latin word Scientiae Magister

S.M.

2

sergeant major.
State Militia.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019