Pronunciation: (lē"un-tī'u-sis), [key]
1. a lionlike facial distortion.
2. Also called le•on•ti'a•sis os'se•a Pronunciation: (os'ē-u). [key]an overgrowth of the cranial and facial bones resulting in a lionlike appearance.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.