Source : Webster's Revised Unabridged Dictionary (1913)

Scar \Scar\, v. t. [imp. & p. p. {Scarred}; p. pr. & vb. n.
   {Scarring}.]
   To mark with a scar or scars.

         Yet I'll not shed her blood; Nor scar that whiter skin
         of hers than snow.                       --Shak.

         His cheeks were deeply scarred.          --Macaulay.

Scarring \Scar"ring\, n.
   A scar; a mark.

         We find upon the limestone rocks the scarrings of the
         ancient glacier which brought the bowlder here.
                                                  --Tyndall.

Source : WordNet®

scar
     v : mark with a scar; "The skin disease scarred his face
         permanently" [syn: {mark}, {pock}, {pit}]
     [also: {scarring}, {scarred}]

scar
     n 1: a mark left (usually on the skin) by the healing of injured
          tissue [syn: {cicatrix}, {cicatrice}]
     2: an indication of damage [syn: {scratch}, {scrape}, {mark}]
     [also: {scarring}, {scarred}]

scarring
     See {scar}