What does "homeroom" mean?

A classroom where school pupils of the same age gather for registration, or for other purposes that are unrelated to class content.

Homeroom

Common synonyms include: home room, administrative, advisory period, attendance oriented, base classroom, classroom based.

/ˈhoʊmˌɹum/ noun

noun ·Rare ·Advanced level

Noun

1
A classroom where school pupils of the same age gather for registration, or for other purposes that are unrelated to class content. US, countable, uncountable
2
a classroom in which all students in a particular grade (or in a division of a grade) meet at certain times under the supervision of a teacher who takes attendance and does other administrative business wordnet
3
The collection of pupils who gather in such a room. US, countable, uncountable

"All students looked up to their homeroom teacher."

From home + room.