- 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. 2018
before a vowel labi-
- relating to or formed by the lips and (another organ or part)labiodental
from Latin labium lip
Word Origin and History for labio-
word-forming element in medical use, taken as a comb. form of Latin labium "lip" (see lip (n.)).
Online Etymology Dictionary, © 2010 Douglas Harper