Dictionary Definition:
Ālu (nt.) [Sk. ālu & ˚ka; cognate with Lat. ālum & alium, see Walde Lat. Wtb. under alium] a bulbous plant, Radix Globosa Esculenta or Amorphophallus (Kern), Arum Campanulatum (Hardy) J iv.371 = vi.578; iv.373.