looking glass
Americannoun
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a mirror made of glass with a metallic or amalgam backing.
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the glass used in a mirror.
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anything used as a mirror, as highly polished metal or a reflecting surface.
looking glass
British
noun
adjective
Etymology
Origin of looking glass
First recorded in 1520–30
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.