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 ]

☞ 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 ]

a. [ Icel. valdeygðr, or vagleygr; fr. vagl a beam, a beam in the eye (akin to Sw. vagel a roost, a perch, a sty in the eye) + eygr having eyes (from auga eye). See Eye. ] Having an eye of a very light gray or whitish color. Booth. [ 1913 Webster ]

☞ Shakespeare, in using wall-eyed as a term of reproach (as “wall-eyed rage, ” a “wall-eyed wretch”), alludes probably to the idea of unnatural or distorted vision. See the Note under Wall-eye. It is an eye which is utterly and incurably perverted, an eye that knows no pity. [ 1913 Webster ]