exolabial
adjEtymology From exo- + labial.
1
Human sciences, Linguistics, Sciences Of a form of vowel rounding, in which the corners of the mouth are drawn slightly together and the lips may be compressed horizontally, but the lips do not protrude and only their outer surface is exposed.
- Synonyms
- compressed, pursed, vertical lip-rounding, inrounding, or outer rounding
- Antonyms
- endolabial