a combining form meaning “mouth,” used in the formation of compound words: stomatoplasty.
Also especially before a vowel, stomat-.

Origin of stomato-

< Greek stomat-, stem of stóma; see stoma Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for stomato-


before a vowel stomat-

combining form

indicating the mouth or a mouthlike partstomatology

Word Origin for stomato-

from Greek stoma, stomat-
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

Medicine definitions for stomato-



Mouth; stoma:stomatitis.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.