The Collaborative International Dictionary of English v.0.48:
Endomorph \En"do*morph\, n. [Endo- + Gr. morfh` form.] (Min.) A crystal of one species inclosed within one of another, as one of rutile inclosed in quartz. [1913 Webster]WordNet (r) 3.0 (2006):
endomorph n 1: a heavy person with a soft and rounded body