bluebottle Syllabification: (blue·bot·tle)Pronunciation: /ˈblo͞oˌbätl/Translate bluebottle | into German | into Italian | into Spanish Definition of bluebottle noun 1a common blowfly with a metallic-blue body, the female of which often comes into houses searching for a suitable food source on which to lay her eggs. Calliphora vomitoria, family Calliphoridae 2the wild cornflower. bluebottle in other Oxford dictionaries Definition of bluebottle in the British & World English dictionary