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monocular

[ muh-nok-yuh-ler ]
/ məˈnɒk yə lər /
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adjective

having only one eye.
of, relating to, or for the use of only one eye: a monocular microscope.

noun

a monocular instrument or device.

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Origin of monocular

1630–40; <Late Latin monocul(us) one-eyed (see monocle) + -ar1
mo·noc·u·lar·ly, adverb
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

British Dictionary definitions for monocular

monocular
/ (mɒˈnɒkjʊlə) /

adjective

having to do with or using only one eye

noun

a device for use with one eye, such as a field glass
monocularly, adverb
C17: from Late Latin monoculus one-eyed
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medical definitions for monocular

monocular
[ mŏ-nŏkyə-lər ]

adj.

Having or affecting one eye only.
Having a single eyepiece, as certain microscopes or other optical instruments.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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