אֵיכָה (b. h. = אֵי־כֹה) 1) oh how! oh! Gen. R. s. 19; a. fr. —2) Ekhah, name of the Book of Lamentations, also מגילת א׳.—א׳ רבתי Ekhah Rabbathi (Lam. R.), Midrash Rabboth on Lamentations.