Ajwain seeds are the seeds obtained from the Ajwain or Ajowan plant. These seeds are used as a spice in cooking. This plant is closely related to Cumin, Dill and Caraway. The seeds are also known as Bishop’s Weed, Ajowan, Caraway and Thymol Seeds. The Ajowan plant mainly grows in various regions of India. The umbels of the plant mature and produce the seeds. Ajwain is also highly regarded for their medicinal value.