xiphopagus

Adjective

 * 1)  United at the.

Noun

 * 1)  Either of a pair of congenitally joined twins (Siamese twin) united at the xiphoid process.
 * 2)  The condition of being such a twin.
 * 1)  The condition of being such a twin.
 * 1)  The condition of being such a twin.
 * 1)  The condition of being such a twin.