The name given to five of the books of the bible, that are read on specific holidays. The best known is Megillat Esther, read on Purim, but also includes Megillat Ruth, read on Shavuot, and Megillat Eicha, read on Tisha B'Av.

here are five Megillot each coming in its own scroll. These are Megillas Esther, Megilla Ruth, Lamentations (Echah), Ecclesiastes (Kohellet) and Song of Songs (Shir Hashirim). They are each studied in conjunction with a holiday - Esther on Purim, Ruth on Shavuot, Echah on Tisha b' Av, Kohellet on Sukkot but only by Ashkenazim, and Song of Songs on Pesach.