The Collaborative International Dictionary of English v.0.48:

Saltant \Sal"tant\, a. [L. saltans, p. pr. of saltare to dance,
   v. intens. fr. salire to leap: cf. F. sautant. See Sally,
   v.]
   1. Leaping; jumping; dancing.
      [1913 Webster]

   2. (Her.) In a leaping position; springing forward; --
      applied especially to the squirrel, weasel, and rat, also
      to the cat, greyhound, monkey, etc.
      [1913 Webster]