The Collaborative International Dictionary of English v.0.48:

Slaw \Slaw\, Slawen \Slaw"en\, obs.
   p. p. of Slee, to slay.
   [1913 Webster]

         With a sword drawn out he would have slaw himself.
                                                  --Wyclif (Acts
                                                  xvi. 27.)
   [1913 Webster]