[ nə'vɪkjʊlə ]
■ adjective technical or archaic boat-shaped.
■ noun
1》 (also ~ bone ) a boat-shaped bone in the ankle or wrist, especially that in the ankle, between the talus and the cuneiform bones.
2》 (also ~ disease or ~ syndrome ) a chronic disorder of the ~ bone in horses, causing lameness in the front feet.
Origin
ME: from Fr. naviculaire or late L. ~is , from L. navicula 'little ship'.