From Longman Dictionary of Contemporary Englishsummer vacationˌsummer vaˈcation noun [uncountable] American English SEDLthe period of time during the summer when schools and universities are closed SYN summer holidays British English
Examples from the Corpus
summer vacation• Contrary to popular belief by many, Memorial Day is not the day summer vacation begins.• A major refurbishment of the Science Area took place during the summer vacation.• In the summer vacation there is a two-week camp.• In recent months a good deal of concern has been expressed about students no longer having access to benefits over the summer vacation.• In 1961 he spent the summer vacation touring with blues singer Sam Cooks.• Airports had already been packed due to the summer vacation rush. 