Fused

When the sacral vertebrae are fused into a single structure, it is called the sacrum.

Had King Tut died of a head injury, Selim says the 1,900 cross-sectional CT images would have showed the two bone fragments inside the skull fused with embalming resin.

Hitler's sense of self completely fused with the state.

The American colonies fused to form the United States.

To-day, sodium is made by thousands of tons, and by a process which in principle is identical with that by which it was first made by Davy, i.e., by the electrolysis of fused caustic soda.