noun
emergency room; ER
Refers to the emergency department or emergency room in a hospital. The abbreviation ER is also common.
救急医療室に運ばれた患者はすぐに治療を受けた。
The patient taken to the emergency room received treatment immediately.
夜間は救急医療室の入口からお入りください。
At night, please enter through the emergency room entrance.
Compound of 救急 (emergency) + 医療 (medical care) + 室 (room).