Source : Webster's Revised Unabridged Dictionary (1913)

Unwrap \Un*wrap"\, v. t. [1st pref. un- + wrap.]
   To open or undo, as what is wrapped or folded. --Chaucer.

Source : WordNet®

unwrap
     v : remove the outer cover or wrapping of; "Let's unwrap the
         gifts!"; "undo the parcel" [syn: {undo}] [ant: {wrap}]
     [also: {unwrapping}, {unwrapped}]