A somewhat formal or literary term for a hospital building or ward. In modern everyday speech, 病院 (びょういん) is far more common.
The hospital was built at the foot of the mountain.
Old records state that there was an infirmary in this area.
isolation ward
Compound of 病 (びょう, 'illness') and 舎 (しゃ, 'building'). The exact historical derivation is uncertain, but the spelling is conventionally associated with a medical facility.