distributor

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun One that distributes, especially a device that applies electric current in proper sequence to the spark plugs of an engine.
• noun One that markets or sells merchandise, especially a wholesaler.

from The Century Dictionary.

• noun Same as distributer.

from the GNU version of the Collaborative International Dictionary of English.

• noun A machine for distributing type.
• noun An appliance, as a roller, in a printing press, for distributing ink.
• noun An apparatus for distributing an electric current, either to various points in rotation, as in some motors, or along two or more lines in parallel, as in a distributing system.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun One who distributes, a thing that distributes.
• noun In an internal combustion engine, the device that distributes current to the spark plugs.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun electrical device that distributes voltage to the spark plugs of a gasoline engine in the order of the firing sequence
• noun a person with authority to allot or deal out or apportion
• noun a company that markets merchandise
• noun someone who markets merchandise