6 entries found for jam.
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Main Entry: 1jam
Pronunciation: jam
Function: verb
Inflected Form(s): jammed; jam·ming 1 a: to press or push into a close or tight position <jam a book into a bookcase> b: to be or cause to be wedged so as to be unworkable <jam the typewriter keys> c: to crowd into : PACK <2000 people jammed the hall> 2: to push suddenly and with force <jam on the brakes> 3: to squeeze or crush painfully <jammed my finger in the door> 4: to make impossible to understand by sending out interfering signals or messages <jam a radio broadcast> 5: to take part in a jam session - jam·mernoun