From Longman Dictionary of Contemporary Englishflower girlˈflower girl noun [countable] American EnglishBOMARRY a young girl who carries flowers at a wedding ceremony
Examples from the Corpus
flower girl• Full mouth, high neck, blue-eyed flower girl, his slender pale narcissus.• When the new sighted flower girl sees not a handsome, well groomed, six foot Adonis her eyes reveal something different. 