Source : Webster's Revised Unabridged Dictionary (1913)

Chewink \Che"wink\, n. (Zo["o]l.)
   An american bird ({Pipilo erythrophthalmus}) of the Finch
   family, so called from its note; -- called also {towhee
   bunting} and {ground robin}.

Source : WordNet®

Pipilo erythrophthalmus
     n : common towhee of eastern North America [syn: {chewink}, {cheewink}]