English Etymology From Ancient Greek ξυστήρ (xustḗr, “scraper”), from ξύω (xúō, “scrape”). Pronunciation IPA(key): /ˈzɪstəɹ/ Rhymes: -ɪstəɹ Noun xyster (plural xysters) A surgical instrument used to scrape bones. Translations surgical instrument Czech: rašple (cs) f, škrabka (cs) f German: Raspatorium, Knochenschaber Russian: распатор (ru) (raspator) Anagrams sextryWikiwand - on Seamless Wikipedia browsing. On steroids.