spyglass

 Longman Dictionary of Contemporary English 5++朗文当代英语 5++LDOCE 5++朗文 5++spy·glass /ˈspaɪɡlɑːs $ -ɡlæs/ noun [countable]  TSEEa small telescope used by sailors in the past 〔旧时水手用的〕小型望远镜

Examples from the Corpus

spyglass• Optics have fascinated Dall since he bought a spyglass telescope from a market stall in his mid-teens.• I passed the spyglass to him.

spy·glass nounChineseSyllable  

a by sailors Corpus the telescope used in small

spyglass
spy‧glass /ˈspaɪɡlɑːs $ -ɡlæs/ noun [countable]
a small telescope used by sailors in the past

spy·glassBrE /ˈspaɪɡlɑːs/ 🔊NAmE /ˈspaɪɡlæs/ 🔊 nouna small telescope 小型望远镜