a combining form meaning “lip,” used in the formation of compound words: labiodental.
Origin of labio-
combining form representing Latin labium
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
before a vowel labi-
relating to or formed by the lips and (another organ or part)labiodental
Word Origin for labio-
from Latin labium lip
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
word-forming element in medical use, taken as a comb. form of Latin labium "lip" (see lip (n.)).
Online Etymology Dictionary, © 2010 Douglas Harper
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.