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



BrE BrE//haɪˈdreɪndʒə//
; NAmE NAmE//haɪˈdreɪndʒə//
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a bush with white, pink or blue flowers that grow closely together in the shape of a large ball Word Originmodern Latin, from Greek hudro- ‘water’ + angeion ‘vessel’ (from the shape of its seed capsule).
See the Oxford Advanced American Dictionary entry: hydrangea