1) Jewish elementary school 
A Cheder (alternatively, Cheider, in Hebrew חדר, meaning `room`) is a traditional elementary school teaching the basics of Judaism and the Hebrew language. ==History== Cheders were widely found in Europe before the end of the 18th century. Lessons took place in the house of the teacher, known as a Melamed, whose wages were paid by the Jewish .....
Elementary school for Jewish children in which Hebrew and religious knowledge are taught.
Old-fashioned term for Hebrew school. In Eastern Europe, it was the primary school.