Definitions

from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun One of a pair of cylindrical stones used in a mill for grinding grain.
  • noun A source of worry or distress.
  • noun An obstacle to success. synonym: burden.

from The Century Dictionary.

  • noun One of a pair of cylindrical stones used in a mill for grinding grain.

from the GNU version of the Collaborative International Dictionary of English.

  • noun One of two circular stones used for grinding grain or other substance in a mill{1}.
  • noun (Geol.) a hard and coarse, gritty sandstone, dividing the Carboniferous from the Subcarboniferous strata. See Farewell rock, under Farewell, a., and Chart of Geology.
  • noun (Colloq.) to see into or through a difficult matter.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun A large round stone used for grinding grain.
  • noun geology A coarse-grained sandstone used for making such stones; millstone grit

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • noun any load that is difficult to carry
  • noun (figurative) something that hinders or handicaps
  • noun one of a pair of heavy flat disk-shaped stones that are rotated against one another to grind the grain

Etymologies

Sorry, no etymologies found.

Examples

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