Jam-session definitions

An informal gathering of musicians to play improvised or unrehearsed music.
noun
0
0
An impromptu discussion.
noun
0
0
An informal gathering of musicians, esp. jazz musicians, to play improvised music or to improvise together, usually on tunes they all know.
noun
0
0
(music) An informal gathering of musicians to play music, especially improvised jazz or a similar genre.
noun
0
0