/khay"deuhrdd/ ; Eng. /khay"deuhr, -hay"-/ , n. , pl. hadarim /kheuh dah"rddim/ , Eng. heders . Yiddish.
1. (esp. in Europe) a private Jewish elementary school for teaching children Hebrew, Bible, and the fundamentals of Judaism.
2. (in the U.S.) See Talmud Torah (def. 2).
Also, cheder .