The Collaborative International Dictionary of English v.0.48:
Crash \Crash\ (kr[a^]sh), v. t. [imp. & p. p. Crashed (kr[a^]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.] [1913 Webster] He shakt his head, and crasht his teeth for ire. --Fairfax. [1913 Webster]