Source : Webster's Revised Unabridged Dictionary (1913)

Depilatory \De*pil"a*to*ry\, a. [Cf. F. d['e]pilatoire.]
   Having the quality or power of removing hair. -- n. An
   application used to take off hair.

Source : WordNet®

depilatory
     adj : able to remove hair or render hairless
     n 1: a chemical (usually a sulfide) used to remove hair or wool
          or bristles from hides
     2: a cosmetic for temporary removal of undesired hair [syn: {depilator},
         {epilator}]