Also found in: Financial.
1. The period before something, such as a work of art, is available for sale to the public.
2. An exclusive or private sale held before an advertised sale.
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.
(Commerce) the practice of arranging the sale of a product before it is available
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014