The Collaborative International Dictionary of English v.0.48:

Clairaudient \Clair*au"di*ent\, a.
   Pertaining to, or characterized by, clairaudience.
   [Webster 1913 Suppl.]

The Collaborative International Dictionary of English v.0.48:

Clairaudient \Clair*au"di*ent\, n.
   One alleged to have the power of clairaudience.
   [Webster 1913 Suppl.]