Source : Webster's Revised Unabridged Dictionary (1913)

Uncloak \Un*cloak"\, v. t. [1st pref. un- + cloak.]
   To remove a cloak or cover from; to deprive of a cloak or
   cover; to unmask; to reveal.

Uncloak \Un*cloak"\, v. i.
   To remove, or take off, one's cloak.

Source : WordNet®

uncloak
     v 1: reveal the true nature of; "The journal article unmasked the
          corrupt politician" [syn: {unmask}]
     2: remove a cloak from