plural of SM

(telecommunications) Initialism of Short Message Service. A text message sent on a cell phone. / (numismatics) Initialism of special mint set. / Initialism of salesman sample.

To send a message on a cell phone.

(video games) Initialism of Sega Master System.

(military, nautical, initialism) SMS — Seiner Majestät Schiff – literally, "His Majesty's Ship" in German;

service mark

(US, space science) Initialism of service module. / (music) Initialism of short meter. / (science fiction) Initialism of space marine.

(fandom slang) Initialism of Pokémon Sun and Moon.

Abbreviation of small.

(astronomy) irregular galaxy with spiral characteristics