What is the meaning of س?

The thirteenth letter of the Acehnese alphabet, written in the Arabic script.

The twelfth letter of the Arabic alphabet, written in the Arabic script; preceded by ز (z) and followed by ش (š).

x, unknown mathematical variable

The fifteenth numeral symbol of the Arabic alphabet (traditional abjad order, used for list numbering), written in the Arabic script; preceded by ن (n) and followed by ع (ʕ).

will (prefix indicating the future tense)

The twenty-fourth letter of the Balti alphabet, written in the Arabic script.

The twenty-third letter of the Burushaski alphabet, written in the Arabic script.

The twenty-third letter of the Khowar alphabet, written in the Arabic script; preceded by ݱ and followed by ش.

The sixteenth letter of the Xiao'erjing abjad, written in the Arabic script.

The twenty-third letter of the Kashmiri alphabet, written in the Arabic script; preceded by ژھ and followed by ش.

The eleventh letter of the Kazakh alphabet, written in the Arabic script; preceded by ز and followed by ش.

The thirteenth letter of the Malay alphabet, written in the Arabic script.

one

The twenty-first letter of the Pashto alphabet, written in the Arabic script; preceded by ږ and followed by ش.

The fifteenth letter of the Persian alphabet, called سین and written in the Arabic script; preceded by ژ and followed by ش.

The eighteenth letter of the Punjabi alphabet, written in the Shahmukhi script; preceded by ژ (žē) and followed by ش (šīn).

The twenty-ninth letter of the Sindhi alphabet, written in the Arabic script; preceded by ز and followed by ش.

The eighteenth letter of the Urdu alphabet, written in the Arabic script; preceded by ژ and followed by ش.

The thirteenth letter of the Uyghur alphabet, written in the Arabic script; preceded by ژ and followed by ش.

The twentieth letter of the Yoruba alphabet, written in the Arabic script; preceded by ر and followed by ش.

Source: wiktionary.org