Definition of gladiolus noun from the Oxford Advanced Learner's Dictionary



BrE BrE//ˌɡlædiˈəʊləs//
; NAmE NAmE//ˌɡlædiˈoʊləs//
(pl. gladioli
BrE BrE//ˌɡlædiˈəʊlaɪ//
; NAmE NAmE//ˌɡlædiˈoʊlaɪ//
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a tall garden plant with long thin leaves and brightly coloured flowers growing up the stem Word OriginOld English (originally denoting the ‘gladdon’, a purple-flowered iris), from Latin, diminutive of gladius ‘sword’ (used as a plant name by Pliny).
See the Oxford Advanced American Dictionary entry: gladiolus