The Collaborative International Dictionary of English v.0.48:

Straught \Straught\, obs.
   imp. & p. p. of Stretch.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Straught \Straught\, v. t.
   To stretch; to make straight. [Written also straucht.]
   [Scot.] --Sir W. Scott.
   [1913 Webster]