noun
office kitchenette; room with hot water facilities
A small room in an office or public building with a sink and hot water dispenser for making tea or coffee; not a full kitchen.
給湯室でお茶を入れましょう。
Let's make tea in the kitchenette.
このフロアの給湯室はエレベーターの横です。
The kitchenette on this floor is next to the elevator.
Compound of 給湯 (kyūtō, 'hot water supply') + 室 (shitsu, 'room').