Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “jam session”

jam session

noun [C] uk   us  
an informal performance of jazz or rock music which the musicians have not planned or practisedMusical performances
(Definition of jam session from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
What is the pronunciation of jam session?
Add Cambridge dictionaries to your browser to your website

Translations of “jam session”

Word of the Day

roost

When birds roost, they go somewhere to rest or sleep.

Word of the Day

Blog

Read our blog about how the English language behaves.

Learn More

New Words

Find words and meanings that have just started to be used in English, and let us know what you think of them.

Learn More