Siamese twins

US:USA pronunciation: IPAUSA pronunciation: IPA/ˌsaɪəˈmiz ˈtwɪnz/


WordReference Random House Learner's Dictionary of American English © 2025
Si•a•mese twins /ˌsaɪəˈmiz ˈtwɪnz/USA pronunciation  n. [plural]
  1. twins who are born joined together.

WordReference Random House Unabridged Dictionary of American English © 2025
Si′amese twins′, 
    1. Developmental Biologycongenitally united twins, Chang and Eng (1811–74), born in Siam, who were joined to each other at the chest by a short, tubular, cartilaginous band.
    2. any twins who are born joined together in any manner.
    • 1820–30

Collins Concise English Dictionary © HarperCollins Publishers::
Siamese twins
  1. an old-fashioned, non-technical name for conjoined twins
Etymology: 19th Century: named after a famous pair of conjoined twins, Chang and Eng (1811–74), who were born in Siam
'Siamese twins' also found in these entries (note: many are not synonyms or translations):
conjoined twins - diddle

Forum discussions with the word(s) "Siamese twins" in the title:


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