Source : Webster's Revised Unabridged Dictionary (1913)

Laceration \Lac`er*a"tion\, n. [L. laceratio: cf. F.
   lac['e]ration.]
   1. The act of lacerating.

   2. A breach or wound made by lacerating. --Arbuthnot.

Source : WordNet®

laceration
     n 1: a torn ragged wound
     2: the act of lacerating