Also found in: Thesaurus.
1. A unit of advertising copy equal to one agate line one column wide printed in one million copies of a publication.
2. The cost of a unit of advertising copy.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
(Marketing) a measurement of advertising space equal to one line printed in agate appearing in one million copies of a magazine or newspaper
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
1. one agate line of advertising one column in width appearing in one million copies of a periodical.
2. Also called mil′line rate`. the charge or cost per milline.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.