noun. A parasitic worm, especially a roundworm or tapeworm.

noun. A worm; especially, an entozoan, entoparasitic, or intestinal worm, as a cestoid, trematoid, or nematoid. See cut under Cestoidea.

noun. An intestinal worm, or wormlike intestinal parasite; one of the Helminthes.

noun. A parasitic roundworm or flatworm.

noun. worm that is parasitic on the intestines of vertebrates especially roundworms and tapeworms and flukes

"Researchers at the University of Wisconsin-Madison are probing whether ingesting parasitic "helminth" whipworm eggs (in capsule form) can combat the flare-ups associated with relapsing-remitting multiple sclerosis."

helminthology  

worm  

bacillary  costimulatory  extra-legal  falciparum  gondii