(military) Initialism of surface-to-air missile. / (nanotechnology) Initialism of self-assembled monolayer. / (cardiology) Initialism of systolic anterior motion.

(biblical) Abbreviation of Samuel.

(space science, NASA) Acronym of Sample Analysis at Mars. (a scientific instrument of the Mars Science Laboratory on board the Curiosity rover on Mars.)

surface-to-air missile

(transitive, UK dialectal) To assemble. / (transitive, UK dialectal, of persons) To bring together; join (in marriage, friendship, love, etc.).

(obsolete) Together

(dialectal) Half or imperfectly done. / (of food) Half-heated.

(slang) Federal narcotics agent.

A diminutive of the male given name Samuel, or rarely of Samson. Also used as a formal given name. / A diminutive of the female given name Samantha. / A surname from Cantonese, a romanization of 岑 or 沈.

(Ireland, informal) The Sam Maguire Cup awarded to the All-Ireland GAA football winning team.