pug mill

American  

noun

1. a mill for grinding and mixing materials, as clay or the ingredients of cement, to a desired condition.

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Etymology

Origin of pug mill

First recorded in 1815–25

Example Sentences

In some the pug mill is arranged horizontally to feed out the clay in the form of a long horizontal slab, which is cut up into proper lengths to form the bricks.

From Inventions in the Century by Doolittle, William Henry

The first machine used to do all this work goes by the humble name of pug mill.

From Inventions in the Century by Doolittle, William Henry

This is done in some sort of pug mill.

From Scientific American Supplement, No. 601, July 9, 1887 by Various

It is capable of turning out, by man power, about two hundred and fifty two-inch tiles in an hour, after the clay is prepared in a pug mill.

From Farm drainage The Principles, Processes, and Effects of Draining Land with Stones, Wood, Plows, and Open Ditches, and Especially with Tiles by French, Henry F. (Henry Flagg)

A pug mill is a machine consisting of a large cylinder with a central shaft passing through it from top to bottom.

From Scientific American Supplement, No. 601, July 9, 1887 by Various