from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A sharp reaction; a repercussion.
- n. Slang A return of a percentage of a sum of money already received, typically as a result of pressure, coercion, or a secret agreement.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A clandestine payment in return for a favor; especially an illegal one
- n. Recoil; a sudden backward motion, usually in the direction of the operator.
- n. An accident wherein an object being cut by a rotating blade or disk, such as a circular saw, is caught by the blade and thrown outward
- n. A dangerous buildup of gas pressure at the wellhead
- n. The board separating one bowling lane from another at the pit end
- n. In contract bridge, an ace asking convention initiated by the first step above four of the agreed trump suit.
- n. A feature that saves the ball from draining and propels it back into play.
from the GNU version of the Collaborative International Dictionary of English
- n. recoil, of a gun or machine, as in older automobile engines when started by turning a crank.
- n. A secret, and usually illegal, payment, by a recipient of money paid for goods or services, to a facilitator of the transaction, of a portion of that money
- intransitive v. To recoil; -- of guns and machines.
- transitive v. To pay (a kickback).
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- v. pay a kickback; make an illegal payment
- v. spring back, as from a forceful thrust
- n. a commercial bribe paid by a seller to a purchasing agent in order to induce the agent to enter into the transaction
kick + back. (Wiktionary)