'Mentomeckelian' definitions:

Definition of 'Mentomeckelian'

From: GCIDE

Mentomeckelian \Men`to*meck*e"li*an\, a. [1st mental + Meckelian.] (Anat.) Of or pertaining to the chin and lower jaw. -- n. The bone or cartilage forming the anterior extremity of the lower jaw in some adult animals and the young of others. [1913 Webster]