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English definition of “butterfly”

butterfly

noun [C] uk   /ˈbʌt.ə.flaɪ/ us    /ˈbʌt̬.ɚ-/

butterfly noun [C] (INSECT)

B1 a type of insect with large, often brightly coloured wings

butterfly noun [C] (PERSON)

disapproving a person who is not responsible or serious, and who is likely to change activities easily or only be interested in pleasure: She's such a social butterfly.

butterfly noun [C] (JEWELLERY)

the small metal part put on the back of a stud (= piece of jewellery worn in the ear) that keeps it in place

butterfly noun [C] (SWIMMING)

[S or U] the butterfly stroke
(Definition of butterfly from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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