Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio.
Informal routine work that is necessary to a job, as that of a news reporter, involving, typically, walking or driving from place to place, away from the office
Used by arrangement with John Wiley & Sons, Inc.
The American Heritage® Dictionary of the English Language, 4th edition Copyright © 2010 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Work, such as collecting information or doing research in preparation for a project, that involves much walking or traveling about.