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Abilabial nasal click is aclick consonant found in some of the languages of southern Africa. The symbol in theInternational Phonetic Alphabet for a nasal bilabial click with avelar rear articulation is ⟨ŋ͡ʘ⟩ or ⟨ŋ͜ʘ⟩, commonly abbreviated to ⟨ŋʘ⟩, ⟨ᵑʘ⟩ or ⟨ʘ̃⟩. For a click with auvular rear articulation, the equivalents are ⟨ɴ͡ʘ,ɴ͜ʘ,ɴʘ,ᶰʘ⟩.Sometimes the accompanying letter comes after the click letter, e.g. ⟨ʘŋ⟩ or ⟨ʘᵑ⟩; this may be a simple orthographic choice, or it may imply a difference in the relative timing of the releases.^[1]

Features of a bilabial nasal click:

• Theairstream mechanism islingual ingressive (also known as velaric ingressive), which means a pocket of air trapped between two closures is rarefied by a "sucking" action of the tongue, rather than being moved by theglottis or thelungs/diaphragm. The release of the forward closure produces the "click" sound. Voiced and nasal clicks have a simultaneouspulmonic egressive airstream.
• Itsplace of articulation isbilabial, which means it is articulated with bothlips.
• Itsphonation is voiced, which means the vocal cords vibrate during the articulation.
• It is anasal consonant, which means air is exclusively allowed to escape through the nose for nasal stops; otherwise, in addition to through the mouth.

Bilabial nasal clicks only occur in theTuu andKx'a families of southern Africa, in the Australian ritual languageDamin, and for /mw/ in some of the languages neighboring Shona, such as at least for some speakers ofNdau andTonga.

The Tuu and Kx'a languages also have glottalized nasal clicks. These are formed by closing theglottis so that the click is pronounced in silence; however, any preceding vowel will be nasalized.

• Bilabial consonants
• Click consonants
• Nasal consonants
• Voiced consonants

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