Initialism of search and seizure. / Initialism of shipping and service.

Initialism of same size.

plural of s***

Third-person singular simple present indicative form of s***

The nineteenth letter of the English alphabet, called ess and written in the Latin script.

The ordinal number nineteenth, derived from this letter of the English alphabet, called ess and written in the Latin script.

(metrology) Abbreviation of scruple. (unit of mass in the apothecaries' system) / (physics) Abbreviation of strange quark. / Alternative form of s.

Used to form regular plurals of nouns. / Used to form many pluralia tantum (nouns that are almost or entirely without singular forms).

Used to form the third-person singular indicative present tense of verbs.

Used in the formation of certain English adverbs.