Spyglass
/ˈspaɪɡlæs/
Definition 1 of 1
Pro Tip 1/3Age of Sail
Spyglass often appears in literature and movies about sailors and pirates during historical times. 
The pirate captain raised his spyglass to spot treasure on the distant island.
Pro Tip 2/3Adventure Imagery
The term evokes adventure; it's used to signal exploration or the discovery of something afar. 
With her spyglass in hand, she sought out new, uncharted lands.
Pro Tip 3/3Vintage Object
A spyglass is considered an old-fashioned or antique object, as modern versions are far more advanced. 
He treasured the ancient spyglass, a relic of his seafaring grandfather.