gladiolus /ˌglædiˈoʊləs/ noun plural gladioli /ˌglædiˈoʊli/ or gladioluses or US gladiolus plural gladioli /ˌglædiˈoʊli/ or gladioluses or US gladiolus Learner's definition of GLADIOLUS
[count]
: a plant with long, stiff leaves and brightly colored flowers唐菖蒲;剑兰