A large assembly, often international, especially of Boy Scouts or Girl Scouts.(noun)
A mass gathering or assembly, as of a political party or association.(noun)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "jamboree" in a sentence
"(The term jamboree, according to the official Boy Scout etymology, was coined by Boy Scouts founder Lord Robert Baden-Powell to mean a gathering of Scouts.)"
"Toronto's huge literary jamboree is both aggressively international and fiercely Canadian"
"Canada hopes to participate this coming summer in the second American jamboree, which is being held in historic Valley Forge."