Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

  

English definition of “jam”

jam

noun [C] (BLOCK)    /dʒæm/
C1 something that is stuck in a machine, or that prevents the parts of a machine from moving: She fed the documents into the machine making sure that there were no paper jams.
(Definition of jam noun (BLOCK) from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
Focus on the pronunciation of jam

Definitions of “jam” in other dictionaries

Word of the Day

work out

to exercise in order to improve the strength or appearance of your body

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