DEFINITION of 'Commission'. A service charge assessed by a broker or investment advisor in return for providing investment advice and/or handling the purchase or sale of a security.Most major, full-service brokerages derive most of their profits from charging commissions on client transactions.n the other hand, full-service brokerages offer a more personalized service, but commissions are much higher. However, when commission is charged there is the potential for a conflict of interest to develop between brokerages and their clients.
2. the mouth, or end for discharge, of the barrel of a gun, pistol, etc. 3. a device, usu. an arrangement of straps or wires, placed over an animal's mouth to prevent the animal from biting, eating, etc. 4. to put a muzzle on (an animal or its mouth). 5. to restrain from speech, the expression of opinion, etc.
trigâ¢ger (ËtrÉªg Ér) n. 1. a small projecting tongue in a firearm that, when pressed by the finger, actuates the mechanism that discharges the weapon. 2. a device, as a lever, the pulling or pressing of which releases a detent or spring. 3. anything, as an act or event, that initiates or precipitates a reaction or series of reactions.