ectomorphic

ec·to·mor·phic

adj \ˌek-tə-ˈmȯr-fik\

Definition of ECTOMORPHIC

1

: 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

: having a light body build—compare endomorphic 2, mesomorphic 2b

—ec·to·mor·phy \ˈek-tə-ˌmȯr-fē\ noun, plural ec·to·mor·phies