Sudra (Classical Syriac: ܣܘܕܪܐ, romanized: swdrʾ Jewish Babylonian Aramaic square script: סודרא, Hebrew: סוּדָר, romanized: sẇdar) is a rectangular piece of cloth sometimes worn as a scarf or headdress as part of ancient Jewish tradition. Over time it held many different functions and today is sometimes understood to be of great cultural or religious significance to Jews.