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mesomorph

[mez-uh-mawrf, mes-, mee-zuh-, -suh-]
noun
  1. a person of the mesomorphic type.

Origin of mesomorph

First recorded in 1935–40; meso- + -morph
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for mesomorph

mesomorph

noun
  1. a person with a muscular body build: said to be correlated with somatotoniaCompare ectomorph, endomorph (def. 1)
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 mesomorph
n.

1940, from meso- + Greek morphe "form" (see Morpheus). Coined by W.H. Shelton; the reference is to the mesodermal layer of the embryo. Related: Mesomorphic (attested from 1923 in chemistry).

Online Etymology Dictionary, © 2010 Douglas Harper
mesomorph in Medicine

mesomorph

[mĕz′ə-môrf′]
n.
  1. An individual characterized by a robust muscular body build in which tissues derived from the embryonic mesodermal layer predominate.
Related formsmes′o•mor′phic adj.mes′o•mor′phism null n.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.