mill·stone /ˈmɪlˌston/
磨石;重擔,負擔
Mill·stone n. One of two circular stones used for grinding grain or other substance in a mill1.
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 a millstone or To see through a millstone, to see into or through a difficult matter. (Colloq.)
◄ ►
millstone
n 1: (figurative) something that hinders or handicaps; "she was
an albatross around his neck" [syn: albatross]
2: any load that is difficult to carry
3: one of a pair of heavy flat disk-shaped stones that are
rotated against one another to grind the grain