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From Overshoot, v. t. Overshot wheel, a vertical water wheel, the circumference of which is covered with cavities or buckets, and which is turned by water which shoots over the top of it, filling the buckets on the farther side and acting chiefly by its we'ght.

One of the broad boards, or floats, at the circumference of a water wheel, or paddle wheel.

A potter's wheel.

A horseshoe to correct a narrow, hoofbound heel.

l rod (Locomotive Eng.), a metal rod that connects the crank pins of two or more driving wheels; -- called also couping rod, in distinction from the connecting rod. See Illust. of Locomotive, in App. -- Parallel ruler, an instrument for drawing parallel lines, so constructed as to have the successive positions of the…

, before the Revolution of 1789, one of the several principal judicial courts. Parliament heel, the inclination of a ship when made to careen by shifting her cargo or ballast. -- Parliament hinge (Arch.), a hinge with so great a projection from the wall or frame as to allow a door or shutter to swing back flat against…

g and chattering sound it makes in burning. [Eng. & Scot.] -- Parrot green. (Chem.) See Scheele's green, under Green, n. -- Parrot weed (Bot.), a suffrutescent plant (Bocconia frutescens) of the Poppy family, native of the warmer parts of America. It has very large, sinuate, pinnatifid leaves, and small, panicled, ape…

A line with a row of hooks and bead Paternoster pump, Paternoster wheel, a chain pump; a noria. -- Paternoster while, the space of time required for repeating a paternoster. Udall.

a Jacquard apparatus. -- Pattern reader, one who arranges textile patterns. -- Pattern wheel (Horology), a count-wheel.

hine, adapted to fall into notches, or interdental spaces, on another part, as a ratchet wheel, in such a manner as to permit motion in one direction and prevent it in the reverse, as in a windlass; a catch, click, or detent. See Illust. of Ratchet Wheel. [Written also paul, or pall.] Pawl bitt (Naut.), a heavy timber,…

A device intended to replace the wheel of a self-propelled vehicle for use on rough roads and to approximate to the smoothness in running of a wheel on a metal track. The tread consists of a number of rubber shod feet which are connected by ball-and-socket joints to the ends of sliding spokes. Each spoke has attached t…

A dynamometer for measuring the force required to draw wheel carriages on roads of different constructions. G. Francis.

A close conduit or pipe for conducting water, as, to a water wheel, or for emptying a pond, or for domestic uses.

A surveyor's instrument for measuring distances. It consists of a wheel arranged to roll along over the ground, with an apparatus of clockwork, and a dial plate upon which the distance traveled is shown by an index. See Odometer.

The wheel which, together with the axle, forms the axis in peritrochio, which see under Axis.

ect powder, under Insect. -- Persian red. See Indian red (a), under Indian. -- Persian wheel, a noria; a tympanum. See Noria.

A four-wheeled carriage (with or without a top), open, or having no side pieces, in front of the seat. It is drawn by one or two horses.

An apparatus consisting of a large wheel with spokes, which when turning very rapidly is illuminated by momentary flashes of light passing through slits in a rotating disk. By properly timing the succession of flashes the wheel is made to appear to be motionless, or to rotate more or less slowly in either direction.…

to hold belaying pins. Sometimes applied to the fife rail. Called also pin rack. -- Pin wheel. (a) A contrate wheel in which the cogs are cylindrical pins. (b) (Fireworks) A small coil which revolves on a common pin and makes a wheel of yellow or colored fire.

To move, as a railroad car, by prying the wheels with a pinch. See Pinch, n., 4.