Source : Webster's Revised Unabridged Dictionary (1913)

Gash \Gash\ (g[a^]sh), v. t. [imp. & p. p. {Gashed} (g[a^]sht);
   p. pr. & vb. n. {Gashing}.] [For older garth or garse, OF.
   garser to scarify, F. gercer to chap, perh. from an assumed
   LL. carptiare, fr. L. carpere, carptum, to pluck, separate
   into parts; cf. LL. carptare to wound. Cf. {Carpet}.]
   To make a gash, or long, deep incision in; -- applied chiefly
   to incisions in flesh.

         Grievously gashed or gored to death.     --Hayward.

Source : WordNet®

gashed
     adj : wounded by cutting deeply; "got a gashed arm in a knife
           fight"; "had a slashed cheek from the broken glass"
           [syn: {cut}, {slashed}]