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Siamese twins Line breaks: Siam|ese twins

Definition of Siamese twins in English:

plural noun

Dated term for conjoined twins.
Example sentences
  • A pair of Siamese twins joined at the spine both survived an operation to separate them in December last year.
  • A rare and complicated operation in Singapore to separate a pair of Siamese twins from Nepal who are joined at the head continues to progress smoothly as it enters its fourth day.
  • ‘Tug us any closer and we will officially be the world's first Siamese twins that were joined after birth,’ he said dryly.


Early 19th century: with reference to the Siamese men Chang and Eng (1811–74), who, despite being joined at the waist, led an active life.

Definition of Siamese twins in:
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