- 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 s2: a graphic device for reproducing the letter s3: one designated s especially as the 19th in order or class4[abbreviation for satisfactory] a: a grade rating a student's work as satisfactory b: one graded or rated with an S5: something shaped like the letter S
