Ajwain Seeds very commonly used in Indian and Pakistani Cuisines. These are the seeds of Trachyspermum ammi Plant and have aromatic smell and pungent taste. Ajwain is also known as Ajwain, bishop's weed, Ajwain caraway, carom seeds, or Thymol seeds. Ajwain resembles parsley and features grayish color with egg shape. Its taste is very high in density that even a small amount of Ajwain gives a noticeable flavor to your dish.