jam session

[jam sesh-uhn]

noun

1. 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.

2. an informal, freely collaborative meeting, conference, or discussion.

   The event was a laid-back jam session for creatives to get together and network.

jam session

noun

1. slang,  an unrehearsed or improvised jazz or rock performance

Word History and Origins

Origin of jam session¹

First recorded in 1930–35; perhaps jam ¹, or shortening of jamboree

Word History and Origins

Origin of jam session¹

C20: probably from _jam ¹