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jalopy
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jalousie
Jam.
jam (1)
jam (2)
jam jar
jam-packed
jam session
jam-session halfpipe competition
JAMA
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jam session
jam ses·sion (plural jam ses·sions)


noun 
Definition:
 
session of musical improvisation: a period of time spent making improvised music, especially jazz, rock, or pop music, as practice, for fun, or to experiment with new songs or techniques
Encarta® World English Dictionary [North American Edition] © & (P)2009 Microsoft Corporation. All rights reserved. Developed for Microsoft by Bloomsbury Publishing Plc.
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