The Collaborative International Dictionary
Vermifugal
Vermifugal \Ver*mif"u*gal\, a. [L. vermis a worm + fugare to drive away, fr. fugere to flee. See Worm, and Fugitive.] (Med.) Tending to prevent, destroy, or expel, worms or vermin; anthelmintic.
Wiktionary
vermifugal
a. (context medicine English) Tending to prevent, destroy, or expel worms or vermin; anthelmintic.