jam session(redirected from Jam (music))
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1. An informal gathering of musicians to play improvised or unrehearsed music.
2. Informal An impromptu discussion.
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.
(Jazz) slang an unrehearsed or improvised jazz or rock performance
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
a meeting of a group of musicians, esp. jazz musicians, to play for their own enjoyment.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
jam sessionn (Mus) (fam) → jam-session f inv
Collins Italian Dictionary 1st Edition © HarperCollins Publishers 1995