jam session

noun

: an often impromptu performance by a group especially of jazz musicians that is characterized by improvisation

Examples of jam session in a Sentence

Recent Examples on the Web

The drummer was running a weekly jam session at Augie’s, an Upper West Side jazz spot that’s now home to Smoke Jazz Club. — Andrew Gilbert, Mercury News, 18 Aug. 2026

Since Twomey’s arrival, Silverada have been turning its pre-show soundchecks into jam sessions, largely driven by Twomey. — Josh Crutchmer, Rolling Stone, 14 Aug. 2026

With Marino as the lead singer and Wain as the drummer, a rotating cast of friends, colleagues and family members have joined them on stage and have since landed a following, going from garage jam sessions to comedy clubs to sizable venues. — Ilana Kaplan, PEOPLE, 14 Aug. 2026

Highlights include jam sessions, music workshops, and food, along with music and craft vendors, dry camping and a kids’ camp. — Linda McIntosh, San Diego Union-Tribune, 30 July 2026

Word History

Etymology

jam entry 3

First Known Use

1931, in the meaning defined above

Rhymes for jam session

• accession
• aggression
• compression
• concession
• confession
• depression
• digression
• discretion
• expression
• impression
• obsession
• oppression

Kids Definition

jam session

noun

: an informal performance by a group of musicians (as jazz musicians) who often invite visitors to join in