grindstone

== English == === Alternative forms === grinding stone === Etymology === From Middle English grind-ston, grindistan, (also as grindel-ston), equivalent to grind +‎ stone. Cognate with Scots grindstane. === Pronunciation === (Received Pronunciation) IPA(key): /ˈɡɹaɪn(d)ˌstəʊn/ (General American) IPA(key): /ˈɡɹaɪn(d)ˌstoʊn/ IPA(key): (obsolete) /ˈɡɹɪnˌstoʊn/ Rhymes: -aɪndstəʊn === Noun === grindstone (plural grindstones) An abrasive wheel for sharpening, polishing, or grinding. Synonym: millstone (for grinding grain) Synonym of starry flounder. ==== Derived terms ==== nose to the grindstone ==== Related terms ==== ==== Translations ==== === References === === Anagrams === Edringtons, Redingtons, stringendo