Defn: A figure supposed to represent the iron which holds a millstone by being set into its center.
MILL-SIXPENCE
Mill"-sixpence, n.
Defn: A milled sixpence; — the sixpence being one of the first
English coins milled (1561).
MILLSTONE
Mill"stone`, n.
Defn: 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.)
MILLWORK
Mill"work`, n.
1. The shafting, gearing, and other driving machinery of mils.
2. The business of setting up or of operating mill machinery.
MILLWRIGHT
Mill"wright`, n.