Source : Webster's Revised Unabridged Dictionary (1913)

Uncover \Un*cov"er\, v. t. [imp. & p. p. {Uncovered}; p. pr. &
   vb. n. {Uncovering}.] [1st pref. un- + cover.]
   1. To take the cover from; to divest of covering; as, to
      uncover a box, bed, house, or the like; to uncover one's
      body.

   2. To show openly; to disclose; to reveal. ``To uncover his
      perjury to the oath of his coronation.'' --Milton.

   3. To divest of the hat or cap; to bare the head of; as, to
      uncover one's head; to uncover one's self.

Source : WordNet®

uncovered
     adj 1: not supplied with a cover or covering; "an uncovered well";
            "the stands are uncovered so take an umbrella" [ant: {covered}]
     2: not covered with clothing; "her exposed breast" [syn: {exposed}]