AjouanAj"ou*an\ Ajowan \Aj"ow*an\, n. [Written also ajwain.] [Prob. native name.] (Bot.) The fruit of Ammi Copticum, syn. Carum Ajowan, used both as a medicine and as a condiment. An oil containing thymol is extracted from it. Called also Javanee seed, Javanese seed, and ajava.