n. A parasite that lives inside the body of an organism, such as a tapeworm.
the GNU version of the Collaborative International Dictionary of English
n. Any parasite which lives in the internal organs of an animal, as the tapeworms, Trichina, etc.; -- opposed to ectoparasite. See entozoön.
The Century Dictionary and Cyclopedia
n. An internal parasite; a parasite which lives in the internal parts or organs of the host, as distinguished from an ectoparasite, which infests the skin or surface. The entozoans are of this character. The term has no classificatory meaning.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. any of various parasites that live in the internal organs of animals (especially intestinal worms)
Word Usage
"By the way, we asked if an endoparasite book is planned, but it is not."