Source : Webster's Revised Unabridged Dictionary (1913)

Jambooree \Jam`boo*ree"\, n. [Etym. uncertain. Cf. {Jambone}.]
   A noisy or unrestrained carousal or frolic; a spree. [Slang]
   --Kipling.

         A Calcutta-made pony cart had been standing in front of
         the manager's bungalow when Raja Singh started on his
         jamboree.                                --W. A.
                                                  Fraser.