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.
- at first
- at first blush
- at first glance
- at first hand
- at first instance
- at first sight
- (at) full blast
- at full cock
- service mark
- service member
- service module
- service pack
- service provider
- servicer
- service road
- service star
- service station
- service stripe
- service tree
- servicewoman
- serviette
- servigerous
- servile
- servilely
- servility