S , or s , is the nineteenth letter of the Latin alphabet, used in the English alphabet, the alphabets of other western European languages and other latin alphabets worldwide. S 19th letter of the English alphabet and a letter employed in the alphabets of other w European languages, It is descended from the Semitic letter sin or shin, a name meaning tooth, which had a sound somewhat like the modern English sh. The Greeks had various letters for sibilants, but after about 600 bc they used mainly sigma for s . The letter as we know it today achieved its final form after adoption into the Latin alphabet. In modern English, the two common pronunciations of s are voiced ... 33 meanings: 1. the 19th letter and 15th consonant of the modern English alphabet 2. a speech sound represented by this letter,.... Click for more definitions. Alphabet Songs - The Letter SAfter the success of our alphabet songs we have now started on videos teaching words for each letter. We're proud to present the...