caballine

a.
  1. Of or pertaining to a horse.
    2. caballine aloes ,
    an inferior and impure kind of aloes formerly used in veterinary practice; -- called also horse aloes.
    Caballine spring ,
    the fountain of Hippocrene, on Mount Helicon; -- fabled to have been formed by a stroke from the foot of the winged horse Pegasus.