Added 10 October 2026 spyglass /ˈspaɪˌɡlæs/ noun Categories: ThingsRare Words noun ! Definition from WordNet 3.1, Princeton University. Pronunciation from Wiktionary, via Kaikki.org. More about spyglass at Wordnik → Where our words come from → A small refracting telescope. Origin From spy + glass. From Wiktionary, via Kaikki.org (CC BY-SA) Related Words: glassspy-glassminiscopefinderscoperiflescopespeculumsnooperscopeteleotoscopebiopticstelespectrograph Back to today's word