Betel nut is the nut that comes from a plant calledAreca. It is sometimes used to make medicine. Betelnut is chewed alone or in the form of quids, amixture of tobacco, powdered or sliced betel nut, andother ingredients. Betel nut is the nut that comesfrom a plant called Areca. It is sometimes used tomake medicine. Betel nut is chewed alone or in theform of quids, a mixture of tobacco, powdered orsliced betel nut, and other ingredients.