millstone

1. n. One of two circular stones used for grinding grain or other substance. Source: opted

2. n. (figurative) something that hinders or handicaps Source: wordnet

3. n. any load that is difficult to carry Source: wordnet

4. n. one of a pair of heavy flat disk-shaped stones that are rotated against one another to grind the grain Source: wordnet

5. One of two circular stones used for grinding grain or other substance. No man shall take the nether or the upper millstone to pledge. Deut. xxiv. 6. Note: The cellular siliceous rock called buhrstone is usually employed for millstones; also, some kinds of lava, as that Niedermendig, or other firm rock with rough texture. The surface of a millstone has usually a series of radial grooves in which the powdered material collects. Millstone girt (Geol.), a hard and coarse, gritty sandstone, dividing the Carboniferous from the Subcarboniferous strata. See Farewell rock, under Farewell, a., and Chart of Geology. -- To see into, or through, a millstone, to see into or through a difficult matter. (Colloq.) Source: webster

6. One of two circular stones used for grinding grain or othersubstance.No man shall take the nether or the upper millstone to pledge. Deut.xxiv. 6. Source: adambom

7. n:100 n. any load that is difficult to carry n. one of a pair of heavy flat disk-shaped stones that are rotated against one another to grind the grain Source: ecdict

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