Word Study
sesban
CIDE DICTIONARY
sesban, n. [F., fr. Ar. saisabān, seisebān, a kind of tree, fr. Per. sīsabān seed of cinquefoil.].
A leguminous shrub (Sesbania aculeata ) which furnishes a fiber used for making ropes. [1913 Webster]
" The name is applied also to the similar plant, Sesbania Ægyptiaca , and other species of the same genus." [1913 Webster]
For further exploring for "sesban" in Webster Dictionary Online