home room; homeroom
Refers to the classroom where a class gathers for administrative matters, announcements, and homeroom period; common in Japanese school settings.
The morning meeting is held in the home room.
The students returned to the home room to hear the announcements.
Compound of 主 (しゅ, 'main') and 教室 (きょうしつ, 'classroom'). The exact historical derivation is uncertain, but the term is conventionally used in Japanese school administration.