- A genus of leguminous plants (herbs, shrubs, or trees) of
many species, most of which have purgative qualities. The leaves of
several species furnish the senna used in medicine. - The bark of several species of Cinnamomum grown in China,
etc.; Chinese cinnamon. It is imported as cassia, but commonly sold as
cinnamon, from which it differs more or less in strength and flavor,
and the amount of outer bark attached.
Definition
[ n.]