/ahr"deb/ , n.
a unit of capacity used for dry measure in Egypt and neighboring countries, officially equivalent in Egypt to 5.62 U.S. bushels, but varying greatly in different localities.
[ 1860-65; ardabb 'rdb, perh. 'rtb, late Akkadian ardabu, Elamite irtiba, Syriac 'artba, Gk artábe, Ar 'irdabb ]