wild cinnamon wild·cin·na·mon uncommon noun 1. large evergreen shrub or small tree having white aromatic bark and leathery leaves and small purple to red flowers in terminal cymes Synonymswild cinnamonwhite cinnamon treeCanella winteranaCanella-alba 2. West Indian tree; source of bay rum Synonymsbayberrybay-rum treeJamaica bayberrywild cinnamonPimenta acris Related words Broader terms treeshrub Parts Pimentagenus Canella Part of canella WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.