Having worm-killing properties; an agent that kills worms; a vermifuge. Also Vermicide.
Destructive to worms; specifically, destructive to parasitic intestinal worms. ... Origin: vermi-+ L. Caedo, to kill ... (05 Mar 2000) ... 
Type: Term Pronunciation: ver′mi-sī′dăl Definitions: 1. Destructive to worms; specifically, destructive to parasitic intestinal worms.
vermicidal 1. A reference to a substance used to kill worms. 2. Relating to a chemical substance that expels parasitic worms from the small intestine.