Meaning

• (except in generalized senses below) A crowbar.

• 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.

• A small such piece to trigger or control a mechanical device (like a button).

• A bar, as a capstan bar, applied to a rotatory piece to turn it.

• An arm on a rock shaft, to give motion to the shaft or to obtain motion from it.

Meaning

• To move with a lever.

  "With great effort and a big crowbar I managed to lever the beam off the floor."

• To use, operate or move (something) like a lever (physically).

• To use (something) like a lever (in an abstract sense).

• To increase the share of debt in the capitalization of a business.