What does "caballine" mean?

Caballine: Of or pertaining to a horse. -- n. Caballine aloes. 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.