noun ·Uncommon ·Advanced level

Definitions

Noun

1. 1
   A single lens, usually in a wire frame, and used to correct vision for only one eye.
2. 2
   lens for correcting defective vision in one eye; held in place by facial muscles wordnet
3. 3
   A one-eyed animal. obsolete

Synonyms

All synonyms

bifocalsblinkerscheaterscolored glassescontact lensdark glasses

Example

More examples

"He wore a top hat and a monocle."

Etymology

1886, borrowed from French monocle, from Late Latin monoculus (“one-eyed”), from mono- (“single”) + oculus (“eye”).

Related phrases

old fashionedone eyeposh personsingle eyeglasssingle lens

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.