any of a genus (Canna) of the canna family of broad-leaved tropical plants, often grown for ornament because of the striking foliage and brilliant flowers
adjective
designating a family (Cannaceae) of monocotyledonous plants (order Zingiberales)
See canna in American Heritage Dictionary 4
(kănˈə)
noun
Any of various perennial tropical herbs of the genus Canna, having clusters of large showy flowers and including an edible variety.