What is the definition or description of: arthroplasty?

Arthroplasty: Corrective or reconstructive surgery of the joint.

Joint replacement : "arthro-" is the latin prefix for a joint in the body. Arthroplasty, therefore, refers to the surgical replacement of a joint in the body. Arthroplasty is commonly performed on the shoulder, hip and knee, but is also available for the elbow, wrist, finger joints, ankle, toes, and even in the spine.

Joint replacement: Surgical procedure for replacing a joint in the body which is diseased (e.x. arthritis) or not functioning properly.

Arthroplasty: (literally "surgical repair of joint") is an orthopedic surgery where the articular surface of a musculoskeletal joint is replaced, remodeled, or realigned by osteotomy or some other procedure. It is an elective procedure that is done to relieve pain and restore function to the joint after damage by arthritis or some other type of trauma.