Canella \Ca*nel"la\, n. [LL. (OE. canel, canelle, cinnamon, fr. F. cannelle), Dim. of L. canna a reed. Canella is so called from the shape of the rolls of prepared bark. See {Cane}.] (Bot.) A genus of trees of the order {Canellace[ae]}, growing in the West Indies. Note: The principal species is {Canella alba}, and its bark is a spice and drug exported under the names of wild cinnamon and whitewood bark.