Simultaneously labial and velar, as (kw) in quick.(adjective)
A labiovelar sound.(noun)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "labiovelar" in a sentence
"We certainly see evidence of labialization from Pre-IE in the labiovelar series."
"But in fact, this idea provides a perfect motive for the merger of labiovelar *kʷ with the newly fronted plain velar *k of PIIr"