millstone

[ mil-stohn ]
/ ˈmɪlˌstoʊn /

noun

either of a pair of circular stones between which grain or another substance is ground, as in a mill.
anything that grinds or crushes.
any heavy mental or emotional burden (often used in the phrase a millstone around one's neck).

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Origin of millstone

before 1050; Middle English milneston,Old English mylenstān.See mill1, stone
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

Example sentences from the Web for millstone

British Dictionary definitions for millstone

millstone
/ (ˈmɪlˌstəʊn) /

noun

one of a pair of heavy flat disc-shaped stones that are rotated one against the other to grind grain
a heavy burden, such as a responsibility or obligationhis debts were a millstone round his neck
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012