[ dey-trip-er ]
/ ˈdeɪˌtrɪp ər /
a person who goes on a trip, especially an excursion, lasting all or part of a day but not overnight.
Origin of day-tripper
1895–1900; day trip + -er1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for day-tripper
The true lover of the mountains flees the spot, for the day-tripper is a burden and desire fails.Climbing in The British Isles, Vol. II|W. P. Haskett Smith