vermifuge

NOUN /vɜrmə,fjudʒ/
9 LETTERS · 3 SYLLABLES · STARTS WITH V

vermifuge is a valid 9-letter word worth 18 points in Scrabble and 22 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
V4E1R1M3I1F4U1G2E1
4 + 1 + 1 + 3 + 1 + 4 + 1 + 2 + 1 =18 PTS
DOUBLE WORD → 36TRIPLE WORD → 54
MEANING

What does vermifuge mean?