The Collaborative International Dictionary of English v.0.48:

Antilyssic \An`ti*lys"sic\ ([a^]n`t[i^]*l[i^]s"s[i^]k), a. & n.
   [Pref. anti- + Gr. ? rage, madness.] (Med.)
   Antihydrophobic.
   [1913 Webster]