1. millstone - Noun
2. Millstone - Proper noun
One of two circular stones used for grinding grain or other substance.
Source: Webster's dictionaryThe harvest of this world is to the resolute, and he that is infirm of purpose is ground betwixt the upper and the nether millstone. Eric Rücker Eddison
For myself I say deliberately, it is better to have a millstone tied round the neck and be thrown into the sea than to share the enterprises of those to whom the world has turned, and will turn, because they minister to its weaknesses and cover up the awful realities which it shudders to look at. Thomas Henry Huxley
Against the beautiful and the clever and the successful, one can wage a pitiless war, but not against the unattractive: then the millstone weighs on the breast. Graham Greene
A millstone gathers no moss. German Proverb
Like a millstone dressed in a kimono. Japanese Proverb
A good millstone does not meet a good miller. Kikuyu Proverb