Alternative form of S-wave

An indicator used to measure the strength of the radio signal, often provided on communications receivers.

plural of S meter

Abbreviation of kilobyte per second.

(nautical) Initialism of motor ship. – a ship propelled by an internal combustion engine, such as a diesel engine, in contrast to sailing ships and steamships

(fandom slang) The ship of characters Fox Mulder and Dana Scully from the television series The X-Files.

Alternative spelling of S&M

(US, banking) A savings and loan association.

Alternative spelling of S&L

(computing) A symbolic expression.