From Longman Dictionary of Contemporary Englishjamboreejam‧bo‧ree /ˌdʒæmbəˈriː/ noun [countable] PARTYa big noisy party or event
Examples from the Corpus
jamboree• Had they felt a flicker of disrespect, he wondered, dressing for a jamboree which was now more like a wake?• There will be a daylong jamboree, treasure hunt and barbecue on the Saturday.• In the context of hospitality and friendship, little and often is worth more than the grandest of annual social jamborees.• If nothing else, the jamboree has done wonders for the national dress.• My wife is a business woman with two shops and I came out at the height of the rag trade jamborees. 