: of or relating to the component in W. H. Sheldon's classification of body types that measures the body's degree of slenderness, angularity, and fragility
2
: characterized by a lean slender body build with slight muscular development
Example Sentences
Recent Examples on the WebThese include the high-altitude environments in which many Kenyans are born and raised, widespread early exposure to running as a means of transportation, and the long-legged, ectomorphic body type that is common among Kenyans. Matt Fitzgerald, Outside Online, 27 July 2015
Word History
Etymology
ectoderm + -morphic; from the predominance in such types of structures developed from the ectoderm