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English definition of “Siamese twins”

Siamese twins

noun [plural] uk   /ˌsaɪ.ə.miːzˈtwɪnz/ old-fashioned us  
conjoined twins (= two people with the same mother who were born at the same time, with some part of their bodies joined together)Parents and children
(Definition of Siamese twins from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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