1. 
[syn: unmask, uncloak]
2.  remove a cloak from; 
The Collaborative International Dictionary of English v.0.48:
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.
   [1913 Webster]
The Collaborative International Dictionary of English v.0.48:
Uncloak \Un*cloak"\, v. i.
   To remove, or take off, one's cloak.
   [1913 Webster]
WordNet (r) 3.0 (2006):
uncloak
    v 1: reveal the true nature of; "The journal article unmasked
         the corrupt politician" [syn: unmask, uncloak]
    2: remove a cloak from