eyeglass

From eye +‎ glass.

• (General American) IPA^(key): /ˈaɪˌɡlæs/

• Audio (US):

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eyeglass (plural eyeglasses)

1. An artificial lens, especially one of a pair.
2. A monocle.
3. An eyepiece.
4. (obsolete) The lens of the eye.
   • c. 1610–1611 (date written), William Shakespeare, “The Winters Tale”, in Mr. William Shakespeares Comedies, Histories, & Tragedies […] (First Folio), London: […] Isaac Iaggard, and Ed[ward] Blount, published 1623, →OCLC, (please specify the act number in uppercase Roman numerals, and the scene number in lowercase Roman numerals):

     Ha' not you seen, Camillo? / (But that's past doubt; you have, or your eye-glass / Is thicker than a cuckold's horn)

5. attributive form of eyeglasses

   an eyeglass repair kit

• glass eye, glasseye