jam session


noun

a meeting of a group of musicians, especially jazz musicians, to play for their own enjoyment.
an impromptu jazz performance or special performance by jazz musicians who do not regularly play together.

Nearby words

Origin of jam session

1930–35; perhaps jam1, or by shortening of jamboree
Also called jam.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for jam session

jam session


noun

slang an unrehearsed or improvised jazz or rock performance

Word Origin for jam session

C20: probably from jam 1
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012