Source : Webster's Revised Unabridged Dictionary (1913)

Cutaway \Cut"a*way`\ (k[u^]t"[.a]*w[=a]`), a.
   Having a part cut off or away; having the corners rounded or
   cut away.

   {Cutaway coat}, a coat whose skirts are cut away in front so
      as not to meet at the bottom.

Source : WordNet®

cutaway
     n 1: a representation (drawing or model) of something in which
          the outside is omitted to reveal the inner parts [syn: {cutaway
          drawing}, {cutaway model}]
     2: a man's coat cut diagonally from the waist to the back of
        the knees