What does spyglass mean?
An optical instrument used for observing distant objects, especially at sea, consisting of a telescope mounted on a rotating pillar or a pair of binoculars. A spyglass is often used to refer to a telescope or a pair of binoculars used for observing distant objects.
Example
"The captain used a spyglass to spot the approaching ship on the horizon."
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.