noun
short-term hand-luggage storage
A facility or counter where travelers can leave their carry-on bags for a few hours or a day, often found at stations or airports.
駅の手荷物一時預かり所にスーツケースを預けた。
I left my suitcase at the station's short-term luggage storage.
A coin-operated locker for self-service storage, while 手荷物一時預かり所 is a staffed counter service.
Compound of 手荷物 (carry-on luggage), 一時 (temporary), 預かり (keeping, from 預かる), and 所 (place).