Elementary Hebrew school for religious studies.
The word literally translates from the Hebrew as “room”, and is used to refer to any Torah school for young children. More commonly associated these days with Sunday morning synagogue classes, teaching Hebrew reading and basic Jewish concepts.
(lit., "room"; pl., *chadarim): (a) an elementary Torah school; (b) a particular class within the school
Cheders (also known as Heders, Heb. חדר "room") are traditional elementary schools or classes teaching the basics of Judaism and the Hebrew language.