1. One who handles, controls, or directs, especially:
   1. One who directs a business or other enterprise.
   2. One who controls resources and expenditures, as of a household.
2. One who is in charge of the business affairs of an entertainer.
3. Sports.
   1. One who is in charge of the training and performance of an athlete or a team.
   2. A student who is in charge of the equipment and records of a school or college team.

The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2009. Published by Houghton Mifflin Company. All rights reserved.