white cinnamon whi·te·cin·namon uncommon noun 1. highly aromatic inner bark of the Canella winterana used as a condiment and a tonic Synonymscanellacanella barkwhite cinnamon Related words Word family white cinnamon tree Broader terms bark Parts wild cinnamon WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.