[ mee-zee-uh l, -see-, mez-ee-uh l, mes- ]
/ ˈmi zi əl, -si-, ˈmɛz i əl, ˈmɛs- /


Dentistry. directed toward the sagittal plane or midline of the face, along the dental arch.Compare buccal(def 3), distal(def 2).

Origin of mesial

First recorded in 1795–1805; mes- + -ial

Related forms

me·si·al·ly, adverb Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for mesial

British Dictionary definitions for mesial


/ (ˈmiːzɪəl) /


anatomy another word for medial (def. 1)

Derived Forms

mesially, adverb

Word Origin for mesial

C19: from meso- + -ial
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 mesial


[ mēzē-əl, -zhəl ]


Of, in, near, or toward the middle.
Situated toward the middle of the front of the jaw along the curve of the dental arch.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.