Definitions

1. noun

a congenital or acquired fusion of bones in the body, especially in the skull, due to abnormal development or disease

“The surgeon examined the patient’s X-ray to determine the extent of the synostose in the skull.”

2. noun

a condition characterized by the premature closure of a synchondrosis, a type of cartilaginous joint

“The doctor diagnosed the child with synostose in the growth plates of the long bones.”