- a person of the ectomorphic type.
Origin of ectomorph
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Word Origin and History for ectomorph
Online Etymology Dictionary, © 2010 Douglas Harper
- An individual having a lean, slightly muscular body build in which tissues derived from the embryonic ectoderm predominate.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.