from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A secondary articulatory feature of usually consonants that involves the contraction or rounding of the labia during pronunciation.
from the GNU version of the Collaborative International Dictionary of English
- n. The modification of an articulation by contraction of the lip opening.
from The Century Dictionary and Cyclopedia
- n. The act or process of labializing; conversion to a labial.
labialize + -ation (Wiktionary)