'wall-eyed perch' definitions:

Definition of 'wall-eyed perch'

From: GCIDE

Wall-eye \Wall"-eye`\, n. [See Wall-eyed.] [1913 Webster]
1. An eye in which the iris is of a very light gray or whitish color; -- said usually of horses. --Booth. [1913 Webster]
Note: Jonson has defined wall-eye to be "a disease in the crystalline humor of the eye; glaucoma." But glaucoma is not a disease of the crystalline humor, nor is wall-eye a disease at all, but merely a natural blemish. --Tully. In the north of England, as Brockett states, persons are said to be wall-eyed when the white of the eye is very large and distorted, or on one side. [1913 Webster]
2. (Zool.) (a) An American fresh-water food fish ({Stizostedion vitreum}) having large and prominent eyes; -- called also glasseye, pike perch, yellow pike, and wall-eyed perch. (b) A California surf fish (Holconotus argenteus). (c) The alewife; -- called also wall-eyed herring. [1913 Webster]