1. A family of parasitic tongue worms (order Porocephalida, phylum Pentastomida) characterized by four hooks arranged in a curved line on either side of the mouth. Adults are found in the lungs of reptiles, and larvae or nymphs are found in the tissues of a great variety of vertebrates, including humans.
The definition information for Porocephalidae is provided by Stedman's. You can search our medical dictionary here.