n. [ F., fr. Ar. saisabān, seisebān, a kind of tree, fr. Per. sīsabān seed of cinquefoil. ] (Bot.) 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 Aegyptiaca, and other species of the same genus. [ 1913 Webster ]