n., pl., -ies.
An agent sent on a mission to represent or advance the interests of another.
[Latin ēmissārius, from ēmissus, past participle of ēmittere, to send out. See emit.]
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.