conjoined twins

plural noun

1. twin babies born joined together at some point, such as at the hips. Some have lived for many years without being surgically separated Non-technical nameSiamese twins

Example Sentences

The odd (though beautiful) pair here is Daisy and Violet Hilton, conjoined twins who were a hit on the vaudeville circuit.

From The Daily Beast

Your movies have tackled subjects like Amish bowling, the Special Olympics, and conjoined twins—but never midlife crisis before.

From The Daily Beast

In one infamous operation, Mengele is said to have sewed two Gypsy twins together to create conjoined twins.

From The Daily Beast