- Small binoculars for use at the opera or theatre.More example sentences
- People brought binoculars and opera glasses to get a better look.
- Petzval also perfected the telescope and designed the opera glasses.
- Galileo's telescope was similar to a pair of opera glasses in that it used an arrangement of glass lenses to magnify objects.
More definitions of opera glassesDefinition of opera glasses in:
- The US English dictionary