Definitions for ectomorphicˌɛk təˈmɔr fɪk
Random House Webster's College Dictionary
ec•to•mor•phicˌɛk təˈmɔr fɪk(adj.)
having a thin body build, roughly characterized by the relative prominence of structures developed from the embryonic ectoderm
Category: Developmental Biology, Physical Anthropology
Ref: (contrasted with endomorphic , mesomorphic ).
having a build with little fat or muscle but with long limbs
of or pertaining to an ectomorph