WordNet (r) 3.0 (2006):
entozoan adj 1: of or relating to entozoa [syn: entozoan, endozoan] 2: living within a living animal usually as a parasite; "entozoic worms" [syn: entozoic, entozoan, endozoic] [ant: epizoic] n 1: any of various parasites that live in the internal organs of animals (especially intestinal worms) [syn: endoparasite, entoparasite, entozoan, entozoon, endozoan]