Source : Webster's Revised Unabridged Dictionary (1913)

Char \Char\, v. t. [imp. & p. p. {Charred}; p. pr. & vb. n.
   {Charring}.] [Prob. the same word as char to perform (see
   {Char}, n.), the modern use coming from charcoal, prop.
   coal-turned, turned to coal.]
   1. To reduce to coal or carbon by exposure to heat; to reduce
      to charcoal; to burn to a cinder.

   2. To burn slightly or partially; as, to char wood.

Source : WordNet®

charring
     See {char}

char
     n 1: a charred substance
     2: a human female who does housework; "the char will clean the
        carpet" [syn: {charwoman}, {cleaning woman}, {cleaning
        lady}, {woman}]
     3: any of several small-scaled trout
     [also: {charring}, {charred}]

char
     v 1: burn to charcoal; "Without a drenching rain, the forest fire
          will char everything" [syn: {coal}]
     2: burn slightly and superficially so as to affect color; "The
        cook blackened the chicken breast"; "The fire charred the
        ceiling above the mantelpiece"; "the flames scorched the
        ceiling" [syn: {blacken}, {scorch}]
     [also: {charring}, {charred}]