noun
- An optical instrument designed for simultaneous use by both eyes.
- synonyms: binoculars, field glasses
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). opera glasses. Retrieved September 20, 2026, from http://smartdefine.org/opera_glasses/definitions/1298791 |
| Chicago | WordNet. 2010. "opera glasses" http://smartdefine.org/opera_glasses/definitions/1298791 (accessed September 20, 2026). |
| Harvard | WordNet 2010, opera glasses, Smart Define, viewed 20 September, 2026, <http://smartdefine.org/opera_glasses/definitions/1298791>. |
| MLA | WordNet. "opera glasses" 23 October 2010. Web. 20 September 2026. <http://smartdefine.org/opera_glasses/definitions/1298791> |