Definition of "prerelease" [prerelease]

• Something released before an official or scheduled date. (noun)
• Of or relating to an interval preceding an official or scheduled release: a prerelease demonstration of a product; a prison prerelease program. (adjective)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "Note that the "build your own" link refers to a prerelease version of Dynamics CRM 2011."
• "As you can see (if you pay attention to Magic's release schedule), our prerelease was a few days in advance of the rest of the world."
• "· Changed default boot up menu cursor location to Video; previously the cursor defaulted to Photos think they issued a 'prerelease' first because there have probably been many requests from WDTV users lol cool."