opera glasses 
plural noun
Small binoculars for use at the opera or theatre.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.
- closer settlement
- close-run
- close season
- close-set
- close shave
- close something out
- close-stool
- closet
- closet case
- closet drama
- closeted
- close the books
- close the door on (or to)
- close to home
- close to one's heart
- close to (or close on)
- close to (or near) the bone
- close to the bone
- closet play
- close up
- close up
- close with
- closing credits
- closing date
- closing order