Source : Webster's Revised Unabridged Dictionary (1913)

Unroll \Un*roll"\, v. t. [1st pref. un- + roll.] [Written also
   {unrol}.]
   1. To open, as what is rolled or convolved; as, to unroll
      cloth; to unroll a banner.

   2. To display; to reveal. --Dryden.

   3. To remove from a roll or register, as a name.

            If I make not this cheat bring out another . . . let
            me be unrolled and my name put in the book of
            virtue!                               --Shak.

Source : WordNet®

unroll
     v 1: reverse the winding or twisting of; "unwind a ball of yarn"
          [syn: {unwind}, {wind off}] [ant: {wind}]
     2: unroll, unfold, or spread out or be unrolled, unfolded, or
        spread out from a furled state; "unfurl a banner" [syn: {unfurl}]
        [ant: {roll up}]