from The American Heritage® Dictionary of the English Language, 4th Edition

  • adj. Having or relating to one eye.
  • adj. Of, relating to, or intended for use by only one eye: a monocular microscope.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • adj. Having one eye.
  • adj. Related to a monocle.
  • adj. Of any optical system suitable for use by one eye at a time.
  • n. A monocle.

from the GNU version of the Collaborative International Dictionary of English

  • adj. Having only one eye; with one eye only.
  • adj. Adapted to be used with only one eye at a time.

from The Century Dictionary and Cyclopedia

  • Having only one eye. Also monoculate.
  • Of or referring to one eye or vision with one eye: suited or intended for the use of one eye only.


from The American Heritage® Dictionary of the English Language, 4th Edition

From Late Latin monoculus, having one eye; see monocle.


  • 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.

    The Book of The Thousand Nights And A Night

  • Aiding the sightseeing was a simple viewing device called a monocular—half of a set of binoculars.

    First Man

  • 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.

    Archive 2008-04-01

  • The one-eyed have no depth perception, though André de Toth, director of one the first 3D movies, the 1953 House of Wax, was monocular, and he wasn't the only one-eyed director; Samuel Fuller, Nicholas Ray, Raoul Walsh and John Ford all sported eyepatches at one time or another – all of them pace the screamingly camp Johnny Guitar the sort of heavy-drinking he-men you don't often see coming out of film schools these days.

    Anne Billson – Cutter's Way and the great tradition of the film eyepatch

  • I wouldn't put it past the monocular bed-wetter and his minions - if they think it'll keep their grubby paws on power, they'll go for it.

    Archive 2009-02-01

  • In clarification, what I meant to say was that we have a monocular Jock cretin claiming to be in charge, who can't even manage his own bladder control, much less the economy .

    Outrage over Clarkson 'Idiot' Jibe

  • The man currently going by the alias Jack Harkness, Captain Jack Harkness thank you very much, watched through his monocular infrared imager as the tall, stately, rather well put together alien led a decidedly human looking little girl through the markets of Danzibar.

    Fic Update

  • Some of those receivers look something like a rugged iPad; others can be worn, with small monocular screens that clip onto helmets.

    Spy Planes Play an Indispensable Role in Mission

  • He lifted a night-vision monocular from inside his coat pocket and slipped it on.


  • Hunter removed his monocular, his eyes now adjusted to the dim light filtering out from a lamp in the sunroom.



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