Source : Webster's Revised Unabridged Dictionary (1913)

Crash \Crash\ (kr?sh>), v. t. [imp. & p. p. {Crashed} (kr?sht);
   p. pr. & vb. n. {Crashing}.] [OE. crashen, the same word as
   crasen to break, E. craze. See {Craze}.]
   To break in pieces violently; to dash together with noise and
   violence. [R.]

         He shakt his head, and crasht his teeth for ire.
                                                  --Fairfax.