Noun has 2 senses

• horse cassia(n = noun.plant) cassia marginata, cassia roxburghii - East Indian tree having long pods containing a black cathartic pulp used as a horse medicine;


• horse cassia(n = noun.plant) cassia grandis, pink shower, pink shower tree - tropical American semi-evergreen tree having erect racemes of pink or rose-colored flowers; used as an ornamental;