noun🔗ShareA large round stone used for grinding grain."The farmer used the millstones to grind wheat into flour. "materialutensilagriculturemachineChat with AIVocabulary GamePractice Reading
noun🔗ShareA coarse-grained sandstone used for making such stones; millstone grit."The old mill used millstones to grind the wheat into flour. "geologymaterialbuildingChat with AIVocabulary GamePractice Reading
noun🔗ShareOften in a millstone round one's neck (referring to Matthew 18:6 in the Bible): a heavy responsibility that is difficult to bear."Paying the mortgage every month is a millstone round their necks."religiontheologyphilosophysufferingmoralChat with AIVocabulary GamePractice Reading
