noun, plural ha·da·rim [khuh-dah-rim] /xəˈdɑ rɪm/, English he·ders. Yiddish.
Examples from the Web for heder
The boys came to heder before nine in the morning, and remained until eight or nine in the evening.
The heder was the only beginning allowable for a boy in Polotzk, and to heder Joseph must go.
These developed later into the ivy leaf , or heder distinguentes.Writing & Illuminating, & Lettering|Edward Johnston
Joseph was the best Jewish boy that ever was born, but he hated to go to heder, so he had to be whipped, of course.
Promptly when custom prescribed, Pinchus, the petted only son, was sent to heder.