Definition of labiovelar in English:

labiovelar

adjective

Phonetics
  • (of a sound) made with the lips and soft palate, for example w.

    • ‘In the Ionic of Homer's time, as well as in all other classical dialects, the labiovelar stops had developed into labials, dentals or velars.’
    • ‘It would then make sense to reconstruct a corresponding set of velar and labiovelar fricatives.’

Pronunciation:

labiovelar

/ˌleɪbɪəʊˈviːlə/