Webster's Revised Unabridged Dictionary · 1913

anthelminthic

anthelminthic (an`thel*min"tik) , adjective

[Prefix anti- + Greek "e`lmins, -inqos, worm, esp. a tapeworm, or mawworm. See also helminth]

(Medicine) capable of expelling or destroying parasitic worms.
(Medicine) An anthelmintic remedy.

Also: Anthelmintic