monocular

mono- +‎ ocular

• (Canada) IPA^(key): /məˈnɑkjələɹ/
• (UK) IPA^(key): /mənˈɒk.jə.lə(ɹ)/, /ˈmɒnˌɒk.jə.lə(ɹ)/

monocular (not comparable)

1. Having one eye.
   • 1888, Sir Richard Burton, The Book of The Thousand Nights And A Night

     ...one of his sparks alighted upon my eye and destroyed it making me a monocular ape;

2. Related to a monocle.
   • 1906, Amelia Barr, The Man Between

     You are not such a foolish woman as to like to be seen with Fred Mostyn, that little monocular snob, after the aristocratic, handsome Basil Stanhope.

3. Of any optical system suitable for use by one eye at a time.

monocular (plural monoculars)

1. (rare) A monocle.
   • 1906, Ambrose Bierce, The Devil's Dictionary

     The moony monocular set in his eye / Appeared to be scanning the Sweet Bye-and-Bye.

• colourman