[mee-zee-uh l, -see-, mez-ee-uh l, mes-]


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

Examples from the Web for mesial

Historical Examples of mesial

British Dictionary definitions for mesial



anatomy another word for medial (def. 1)
Derived Formsmesially, 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

Word Origin and History for mesial

"middle, median," 1803, an irregular formation from Greek mesos "middle" (see meso-) + -al (1). Related: Mesially.

Online Etymology Dictionary, © 2010 Douglas Harper

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.