walleye
1. a divergent squint
2. opacity of the cornea
3. an eye having a white or light-coloured iris
4. (in some collies) an eye that is particoloured white and blue
5. a North American pikeperch, Stizostedion vitreum, valued as a food and game fish
6. any of various other fishes having large staring eyes
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005