Dictionary.com

jam session

[ jam-sesh-uhn ]
/ ˈdʒæm ˌsɛʃ ən /
Save This Word!

noun
Music.
  1. a meeting of a group of musicians, especially jazz musicians, to improvise, experiment, or play for their own enjoyment.
  2. an impromptu musical performance, especially of jazz.
  3. a special performance by musicians, especially jazz musicians, who do not regularly play together.
an informal, freely collaborative meeting, conference, or discussion: The event was a laid-back jam session for creatives to get together and network.
QUIZ
CAN YOU ANSWER THESE COMMON GRAMMAR DEBATES?
There are grammar debates that never die; and the ones highlighted in the questions in this quiz are sure to rile everyone up once again. Do you know how to answer the questions that cause some of the greatest grammar debates?
Question 1 of 7
Which sentence is correct?
Also called jam .

Origin of jam session

First recorded in 1930–35; perhaps jam1, or shortening of jamboree

Words nearby jam session

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use jam session in a sentence

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
FEEDBACK