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substance; as, flour of emery; flour of mustard. Flour bolt, in milling, a gauze-covered, revolving, cylindrical frame or reel, for sifting the flour from the refuse contained in the meal yielded by the stones. -- Flour box a tin box for scattering flour; a dredging box. -- Flour dredge or dredger, a flour box. -- F…

Two or more vanes set on a revolving axis, to act as a fanner, or to equalize or impede the motion of machinery by the resistance of the air, as in the striking part of a clock.

- Friction drop hammer, one in which the hammer is raised for striking by the friction of revolving rollers which nip the hammer rod. -- Friction gear. See Frictional gearing, under Frictional. -- Friction machine, an electrical machine, generating electricity by friction. -- Friction meter, an instrument for measur…

(Fabrics) A machine for frizzing the surface of cloth. (b) (Wood Working) A bench with a revolving cutter head slightly protruding above its surface, for dressing boards.

A kind of revolving firework.

A flat, circular stone, revolving on an axle, for grinding or sharpening tools, or shaping or smoothing objects. To hold, pat, or bring one's nose to the grindstone, to oppress one; to keep one in a condition of servitude. They might be ashamed, for lack of courage, to suffer the Lacedæmonians to hold their noses to th…

e who, or that which, grooms horses; especially, a brush rotated by a flexible or jointed revolving shaft, for cleaning horses.

Moving in a circle, or spirally; revolving; whirling around.

The part of a lathe that holds the revolving spindle and its attachments; -- also called poppet head, the opposite corresponding part being called a tailstock.

orizontal water wheel, a water wheel in which the axis is vertical, the buckets or floats revolving in a horizontal plane, as in most turbines.

A low monotonous noise, as of bees in flight, of a swiftly revolving top, of a wheel, or the like; a drone; a buzz. The shard-borne beetle with his drowsy hums. Shak.

rt by such a surface. Hyperboloid of revolution, an hyperboloid described by an hyperbola revolving about one of its axes. The surface has two separate sheets when the axis of revolution is the transverse axis, but only one when the axis of revolution is the conjugate axis of the hyperbola.

r a process, thing acted upon, state, or condition; as, revolution, the act or process of revolving; construction, the act or process of constructing; a thing constructed; dominion, territory ruled over; subjection, state of being subject; dejection; abstraction.

That has no finite period of revolution; not revolving. [R.] The dateless and irrevocable circle of eternity. Milton.

A horizontal table carrying a revolving mold, on which earthen vessels are shaped by rapid motion; a potter's wheel.

Revolving around the planet Jupiter; appearing as viewed from Jupiter. [R.] J. R. Hind.

d of a magnifying glass. The observer sees each picture, momentarily, through a slit in a revolving disk, and these glimpses, blended by persistence of vision, give the impression of continuous motion.

of lapidary work. Lapidary's lathe, mill, or wheel, a machine consisting essentially of a revolving lap on a vertical spindle, used by a lapidary for grinding and polishing.

hell (Fasciolaria distans), of Florida and the West Indies. It is marked by narrow, dark, revolving lines. -- Line engraving. (a) Engraving in which the effects are produced by lines of different width and closeness, cut with the burin upon copper or similar material; also, a plate so engraved. (b) A picture produced…

The live spindle of a turning lathe; the revolving arbor of a circular saw. It is usually driven by a pulley. [Written also manderil.] Mandrel lathe, a lathe with a stout spindle, adapted esp. for chucking, as for forming hollow articles by turning or spinning.