Siamese twin

noun

Definition of Siamese twin

: one of a pair of congenitally united twins

Origin and Etymology of siamese twin

from Chang †1874 and Eng †1874 congenitally united twins born in Siam


Medical Dictionary

Siamese twin

noun Si·a·mese twin \ ˈsī-ə-ˌmēz- , -ˌmēs- \

medical Definition of Siamese twin

: either of a pair of conjoined twins

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