- one of two flat round stones used, especially in the past, to grind (= press hard and break) grain to make flour
Idioms
See millstone in the Oxford Advanced American Dictionarya millstone around/round your neck
- a difficult problem or responsibility that it seems impossible to solve or get rid of
- My debts are a millstone around my neck.
- Unemployment was an economic millstone around the country’s neck.
Check pronunciation:
millstone