labial

/ˈleɪbiəl/
noun
  1. A speech sound made by using the lips.
    • In the word 'map', both 'm' and 'p' are labials.
    • Children often master labials before other sounds.
    • The linguist listed all the labials in the language.
adjective
  1. Relating to the lips.
    • Labial herpes, or cold sores, often appear on the edge of the lip.
    • The dentist examined the labial surface of her front teeth.
    • She applied a labial balm to soothe her chapped lips.
  2. In phonetics, referring to a sound made by bringing the lips together or using the lips.
    • The teacher explained that 'w' is a labial-velar sound.
    • The sounds 'p', 'b', and 'm' are examples of labial consonants.
    • In many languages, labial sounds are among the first that babies learn.
What does "labial" mean? | whatsthatwordmean | whatsthatwordmean