the GNU version of the Collaborative International Dictionary of English
adj. Destitute of a mouth.
The Century Dictionary and Cyclopedia
Having no mouth; astomatous.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
adj. having no mouth or mouthlike opening
Word Usage
"Most iconic is the mouthless bauta , typically worn with a three-cornered hat and black cloak, which turns every wearer into an impersonator of Casanova."