Bilabial nasal

The bilabial nasal is a type of consonantal sound used in almost all spoken languages. The symbol in the International Phonetic Alphabet that represents this sound is $⟨⟩$, and the equivalent X-SAMPA symbol is $⟨m⟩$. The bilabial nasal occurs in English, and it is the sound represented by "m" in map and rum.

It occurs nearly universally, and few languages (e.g. Mohawk) are known to lack this sound.