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

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. 2018

Examples from the Web for mesial

Historical Examples of mesial

  • The mesial lines are whitish and wide apart; externally they are closer, papiliform, and brown.

    The Ocean World:

    Louis Figuier

  • When highly magnified, a mesial groove might be detected running along each of the hair-like lines.

  • Pallas describes the black of the tail as passing upwards in a mesial line.

  • The first form is known as upward luxation and is made possible by rupture of the mesial (internal) femeropatellar ligament.

    Lameness of the Horse

    John Victor Lacroix

  • Sprains of the mesial tarsal ligaments cause lameness somewhat similar to that of spavin.

    Lameness of the Horse

    John Victor Lacroix

British Dictionary definitions for mesial


  1. 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

mesial in Medicine


[mēzē-əl, -zhəl]
  1. Of, in, near, or toward the middle.
  2. 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.