What is the meaning of Қ?

A letter of the Abkhaz alphabet, written in the Cyrillic script.

A letter of the Eastern Khanty alphabet, written in the Cyrillic script.

The seventeenth letter of the Nivkh alphabet, written in the Cyrillic script.

The fifteenth letter of the Kazakh alphabet, written in the Cyrillic script.

The fifteenth letter of the Tajik alphabet, written in the Cyrillic script.

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The thirty-third letter of the Uzbek alphabet, written in the Cyrillic script.

Source: wiktionary.org