\Sal"ta*to"ry\, a. [L. saltatorius. See {Saltant}, and
cf. {Saltire}.]
Leaping or dancing; having the power of, or used in, leaping
or dancing.
{Saltatory evolution} (Biol.), a theory of evolution which
   holds that the transmutation of species is not always
   gradual, but that there may come sudden and marked
   variations. See {Saltation}.
{Saltatory spasm} (Med.), an affection in which pressure of
   the foot on a floor causes the patient to spring into the
   air, so as to make repeated involuntary motions of hopping
   and jumping. --J. Ross.