| Noun | 1. | Ceylon cinnamon - tropical Asian tree with aromatic yellowish-brown bark; source of the spice cinnamoncinnamon - spice from the dried aromatic bark of the Ceylon cinnamon tree; used as rolled strips or ground laurel - any of various aromatic trees of the laurel family Cinnamomum, genus Cinnamomum - Asiatic and Australian aromatic trees and shrubs cinnamon, cinnamon bark - aromatic bark used as a spice |