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A prop or support.

A slender part of an instrument or machine, projecting from a trunk, axis, or fulcrum; as, the arm of a steelyard.

hat point of the compass toward which her stern is directed. -- Beam center (Mach.), the fulcrum or pin on which the working beam of an engine vibrates. -- Beam compass, an instrument consisting of a rod or beam, having sliding sockets that carry steel or pencil points; -- used for drawing or describing large circles…

A lever whose two arms form a right angle, or nearly a right angle, having its fulcrum at the apex of the angle. It is used in bell pulls and in changing the direction of bell wires at angles of rooms, etc., and also in machinery.

A prop; a fulcrum. [Obs.] Bp. Wilkins.

See Fulcrum.

Furnished with fulcrums.

A block used for a fulcrum.

also the hopper. Grove. Grasshopper engine, a steam engine having a working beam with its fulcrum at one end, the steam cylinder at the other end, and the connecting rod at an intermediate point. -- Grasshopper lobster (Zoöl.) a young lobster. [Local, U. S.] -- Grasshopper warbler (Zoöl.), cricket bird.…

A forge hammer which is lifted by a cam acting on the helve between the fulcrum and the head.

ulley, etc., in which the resistance and the actuating force are on opposite sides of the fulcrum or axis.

r pulley in which the resistance and the actuating force are both on the same side of the fulcrum or axis.

A rigid piece which is capable of turning about one point, or axis (the fulcrum), and in which are two or more other points where forces are applied; -- used for transmitting and modifying force and motion. Specif., a bar of metal, wood, or other rigid substance, used to exert a pressure, or sustain a weight, at one po…

be transmitted and modified, as a screw and its nut, or a lever arranged to turn about a fulcrum or a pulley about its pivot, etc.; especially, a construction, more or less complex, consisting of a combination of moving parts, or simple mechanical elements, as wheels, levers, cams, etc., with their supports and connec…

An implement with a broad blade, which is used without a fixed fulcrum in propelling and steering canoes and boats.

A lever having a projection at one end, acting as a fulcrum, -- used chiefly to roll heavy wheels, etc. Called also pinch bar. At a pinch, On a pinch, in an emergency; as, he could on a pinch read a little Latin.

A contrivance or arrangement serving as a fulcrum for an oar in rowing. It consists sometimes of a notch in the gunwale of a boat, sometimes of a pair of pins between which the oar rests on the edge of the gunwale, sometimes of a single pin passing through the oar, or of a metal fork or stirrup pivoted in the gunwale a…

ich the body to be weighed is suspended from the shorter arm of a lever, which turns on a fulcrum, and a counterpoise is caused to slide upon the longer arm to produce equilibrium, its place upon this arm (which is notched or graduated) indicating the weight; a Roman balance; -- very commonly used also in the plural fo…

A long pole, or piece of timber, moved on a horizontal fulcrum fixed to a tall post and used to raise and lower a bucket in a well for drawing water. [Variously written swape, sweep, swepe, and swipe.]

A wooden or metal pin, set in the gunwale of a boat, to serve as a fulcrum for the oar in rowing. Longfellow.