Siamese twin
Syllabification: (Si·a·mese twin)
Definition of Siamese twin
noun
- dated term for conjoined twin.
Origin:
with reference to the Siamese men Chang and Eng (1811–74), who, despite being joined at the waist, led an active life
with reference to the Siamese men Chang and Eng (1811–74), who, despite being joined at the waist, led an active life