What is the meaning of غ?

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

The nineteenth letter of the Arabic alphabet, written in the Arabic script; preceded by ع (ʕ) and followed by ف (f).

The twenty-eighth and last numeral symbol of the Arabic alphabet (traditional abjad order, used for list numbering), written in the Arabic script; preceded by ظ (ẓ).

The thirty-second letter of the Balti alphabet, written in the Arabic script.

The thirty-second letter of the Burushaski alphabet, written in the Arabic script.

The nineteenth letter of the Hijazi Arabic alphabet, called غين (ḡēn) and written in the Arabic script; preceded by ع (ʕēn) and followed by ف (fāʔ).

The thirty-second letter of the Khowar alphabet, written in the Arabic script; preceded by ع and followed by ڠ.

will (prefix indicating the future tense)

A letter of the Old Ruthenian alphabet, written in the Arabic script.

The thirtieth letter of the Kashmiri alphabet, written in the Arabic script; preceded by ع and followed by ف.

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

The twenty-ninth letter of the Pashto alphabet, written in the Arabic script; preceded by ع and followed by ف.

The twenty-second letter of the Persian alphabet, called غین and written in the Arabic script; preceded by ع and followed by ف.

The twenty-fifth letter of the Punjabi alphabet, written in the Shahmukhi script; preceded by ع (ʿain) and followed by ف (fe).

The thirty-sixth letter of the Sindhi alphabet, written in the Arabic script; preceded by ع and followed by ف.

The twenty-fifth letter of the Urdu alphabet, written in the Arabic script; preceded by ع and followed by ف.

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

The seventh letter of the Yoruba alphabet, written in the Arabic script; preceded by ف and followed by ڠ.

Source: wiktionary.org