air pot
A vacuum-insulated pot with a pump-top dispenser, used for keeping hot water or coffee hot and dispensing it without lifting.
会議室にエアポットを置いて、お茶を出した。
We put an air pot in the meeting room and served tea.
Variant with interpunct; less common but still seen.
Loanword from English 'air pot', referring to the air-pressure pump mechanism used to dispense liquid.