noun, noun, used as a suffix
Common as a noun-forming suffix for rooms or chambers of a particular kind. As a standalone everyday word for 'room', 部屋 is usually more natural; 室 is more formal or compound-like.
午後三時から会議室を予約した。
I reserved a meeting room from three in the afternoon.
この
This building has three laboratories.
noun, noun, used as a suffix
wife of a high-ranking person
Rare historical or genealogical use for the wife of someone of high rank. It is not the normal modern word for 'wife'.
系図では、領主の妻を「室」と記すことがある。
In genealogies, a lord's wife may be written as 室.
noun, noun, used as a suffix
Rare use meaning a sword scabbard. In modern Japanese, 鞘 is the ordinary word for this meaning.
「室」が刀のさやを指す用法は、現在ではまれである。
The use of 室 to refer to a sword scabbard is rare today.
noun, noun, used as a suffix
Encampment mansion; Chinese constellation 室
Astronomical term for the Chinese 'Encampment' mansion, one of the twenty-eight lunar mansions and associated with 玄武.
室は二十八宿の一つで、玄武に属する。
室 is one of the twenty-eight lunar mansions and belongs to the Black Tortoise group.