The Collaborative International Dictionary of English v.0.48:

Vaut \Vaut\, v. i.
   To vault; to leap. [Obs.] --Spenser.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Vaut \Vaut\, n.
   A vault; a leap. [Obs.] --Spenser.
   [1913 Webster]