Source : Webster's Revised Unabridged Dictionary (1913)

Hanger \Hang"er\, n.
   1. One who hangs, or causes to be hanged; a hangman.

   2. That by which a thing is suspended. Especially:
      (a) A strap hung to the girdle, by which a dagger or sword
          is suspended.
      (b) (Mach.) A part that suspends a journal box in which
          shafting runs. See Illust. of {Countershaft}.
      (c) A bridle iron.

Source : WordNet®

hanger
     n 1: a worker who hangs something
     2: anything from which something can be hung