Siamese twins(redirected from Conjoined Equal Twins)
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(Pathology) non-technical name for conjoined twins
[C19: named after a famous pair of conjoined twins, Chang and Eng (1811–74), who were born in Siam]
twins who are congenitally joined together.
[1820–30; alluding to Chang and Eng (1811–74), twins born in Siam who were joined in this way]