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.