Rosh yeshiva (Hebrew: ראש ישיבה, pl. Hebrew: ראשי ישיבה, roshei yeshiva, rashe yeshiva; Anglicized pl. rosh yeshivas) is the title given to the dean of a yeshiva, a Jewish educational institution that focuses on the study of traditional religious texts, primarily the Talmud and the Torah, and halakha (Jewish law).