Any of numerous parasitic wormlike animals of the crustacean class Pentastomida (often regarded as a distinct phylum or subphylum), which infest the lungs and nasal passages of vertebrates.
adjective
Of or relating to pentastomids, or the class Pentastomida.
Origin
Early 20th century. From scientific Latin Pentastomida, class name from Pentastoma, genus name + -ida.