Definitions

1. adjective

Having or relating to an abnormal or misplaced ulna, especially one where the ulna is shorter than the radius in the forearm.

“The doctor said that the patient’s unlunate fracture was due to the unusual alignment of their bones.”

2. noun

A fracture or abnormality in which the ulna is displaced or misplaced relative to the radius.

“The unlunate was a complication of the surgery that the patient had to endure.”