μύλος [2 verses](noun sg masc nom) "Millstone" is mylos, which means "mill," "millstone," "grinder," "molar," and, generally, "stone."  - "Millstone" is from two Greek words. The first word is any type of "mill," "millstone," "grinder," and "stone." The second word, however, "for a mule." Together, they specifically mean the large millstone that is turned by an ass.