Definitionen
1.NounA rigid piece which is capable of turning about one point, or axis (fulcrum), and in which are two or more other points where forces are applied; — used for transmitting and modifying force and motion.
Specifically, a bar of metal, wood or other rigid substance, used to exert a pressure, or sustain a weight, at one point of its length, by receiving a force or power at a second, and turning at a third on a fixed point called a fulcrum. It is usually named as the first of the six mechanical powers, and is of three kinds, according as either the fulcrum F, the weight W, or the power P, respectively, is situated between the other two, as in the figures.
2.NounSpecifically, a bar of metal, wood or other rigid substance, used to exert a pressure, or sustain a weight, at one point of its length, by receiving a force or power at a second, and turning at a third on a fixed point called a fulcrum. It is usually named as the first of the six mechanical powers, and is of three kinds, according as either the fulcrum F, the weight W, or the power P, respectively, is situated between the other two, as in the figures.
3.NounA small such piece to trigger or control a mechanical device (like a switch or a button).
4.NounA bar, as a capstan bar, applied to a rotatory piece to turn it.
5.NounAn arm on a rock shaft, to give motion to the shaft or to obtain motion from it.
6.NounA crowbar.
7.VerbTo move with a lever."With great effort and a big crowbar I managed to lever the beam off the floor."
8.VerbTo use, operate or move (something) like a lever (physically).
9.VerbTo use (something) like a lever (in an abstract sense).
10.VerbTo increase the share of debt in the capitalization of a business.
11.AdverbRather.
12.NounA levee.