Definition of "fish-eye" [fish-eye]

• A moonstone cut in the form of the eye of a fish and having a peculiar, soft, milky reflection. (noun)
• An icthyophthalmite. See apophyllite. (noun)

The Century Dictionary (Public Domain)

• "It's a 180 degree image, as if taken with a fish-eye lens."
• "To shoot waves, Mr. Clark protects his camera and its 15-millimeter fish-eye lens inside a waterproof metal casing that does not allow the user to review photos or adjust settings."
• "Plus, the site limited the pic size, so they were all squished and looked like they'd been shot with a fish-eye."