Longman Dictionary of Contemporary English
day camp
noun
EXAMPLES FROM CORPUS
▪ He is too old for day camp and too young for a paying job.
▪ These boys are also too old for day camp and too young for jobs.
WordNet
day camp
n. a camp providing care and activities for children during the daytime
Wikipedia
Day camp
Day camps also known as summer camps in some areas, are geared for those who are of school age. They offer activities in a social setting, usually in the community and the children return home in the evenings. Day camps can be booked by the day or by the week, or month depending on the institution organizing them.