The Collaborative International Dictionary of English v.0.48:

Fanged \Fanged\, a.
   Having fangs or tusks; as, a fanged adder. Also used
   figuratively.
   [1913 Webster]

WordNet (r) 3.0 (2006):

fanged
    adj 1: having fangs

Moby Thesaurus II by Grady Ward, 1.0:

22 Moby Thesaurus words for "fanged":
   bicuspid, clawed, dental, dentate, dentiform, dentoid, digital,
   digitate, digitated, fingered, jawed, molar, odontoid, prehensile,
   raptorial, snaggle-toothed, snaggled, taloned, toothed, toothlike,
   toothy, tusked