Main Entry: ¹s

Pronunciation: \ˈes\

Function: noun

Inflected Form(s): plural s's or ss \ˈe-səz\

Usage: often capitalized often attributive

Date: before 12th century

1 a : the 19th letter of the English alphabet b : a graphic representation of this letter c : a speech counterpart of orthographic s
2 : a graphic device for reproducing the letter s
3 : one designated s especially as the 19th in order or class
4 [abbreviation for satisfactory] a : a grade rating a student's work as satisfactory b : one graded or rated with an S
5 : something shaped like the letter S