Source : Webster's Revised Unabridged Dictionary (1913)

Ringdove \Ring"dove`\, n. (Zo["o]l.)
   A European wild pigeon ({Columba palumbus}) having a white
   crescent on each side of the neck, whence the name. Called
   also {wood pigeon}, and {cushat}.

Source : WordNet®

ringdove
     n 1: grayish Old World turtledove with a black band around the
          neck; often caged [syn: {Streptopelia risoria}]
     2: Eurasian pigeon with white patches on wings and neck [syn: {wood
        pigeon}, {cushat}, {Columba palumbus}]