English version

spyglass

From Longman Dictionary of Contemporary Englishspyglassspy‧glass /ˈspaɪɡlɑːs $ -ɡlæs/ noun [countable]  TSEEa small telescope used by sailors in the past
Examples from the Corpus
spyglassOptics have fascinated Dall since he bought a spyglass telescope from a market stall in his mid-teens.I passed the spyglass to him.
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