Definition

1. Adjective:

   • Relating to the lips: Describing something that pertains to or is situated near the lips of the mouth.
   • Relating to a labium: In anatomy, pertaining to or near the female labium (the folds of skin surrounding the vulva).
   • Articulated with the lips: In phonetics, describing a speech sound made with the closure or near-closure of the lips.

2. Noun:

   • A labial consonant: In phonetics, a consonant sound whose articulation involves the movement or contact of one or both lips.

Usage Examples

• Adjective:

  • The labial muscles are crucial for speech and expression.
  • The surgeon examined the labial tissue during the procedure.
  • The sounds /p/, /b/, and /m/ are all labial consonants.

• Noun:

  • The phoneme /f/ is a voiceless labial fricative.
  • In English, the labials include /p/, /b/, /m/, /f/, and /v/.

Advanced Usage

• Labialization: In phonetics, the secondary articulatory feature of rounding the lips while producing a sound.

  • The /w/ sound in "water" is a labialized velar approximant.

• Bilabial vs. Labiodental: Specific categories of labial sounds.

  • A bilabial sound, like /p/, is made with both lips.
  • A labiodental sound, like /f/, is made with the lower lip and upper teeth.

Variants and Related Words

• Labially (adverb): In a labial manner; with respect to the lips.

  • The sound is articulated labially.

• Labialize (verb): To round the lips during articulation.

  • Some dialects labialize certain vowels.

Synonyms

• Adjective (for lips): Lip-related, of the lips.
• Noun (in phonetics): Labial consonant.

Related Phrases

• Labial stop: A plosive consonant produced by complete lip closure, such as /p/ or /b/.

  • The word "pat" begins with a voiceless labial stop.

• Labial frenulum: The small fold of tissue connecting the lip to the gum.

  • The dentist checked the patient's labial frenulum.

Related Idioms

(This term is highly technical and is not commonly used in idiomatic expressions.)

Adjective

1. relating to or near the female labium
2. of or relating to the lips of the mouth
   • labial stops

Noun

1. a consonant whose articulation involves movement of the lips