Of, relating to, or intended for use by only one eye: a monocular microscope. (adjective)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "monocular" in a sentence
"502 As has been noticed (vol.i. 333), the monocular is famed for mischief and men expect the mischief to come from his blinded eye."
"Aiding the sightseeing was a simple viewing device called a monocular—half of a set of binoculars."
"It’s about disinvesting in the monocular, which is why it’s “innovative” – read, threatening to the status quo because it reinvests in a society that can support radical difference between members."