scapholunar

from The Century Dictionary.

• Pertaining to the scaphoid and the semilunar bone of the wrist: as, the scapholunar articulation.
• Representing or constituted by both the scaphoid and the semilunar bone of the wrist: as, the scapholunar bone.
• noun The scapholunar bone; the scapholunare.

from the GNU version of the Collaborative International Dictionary of English.

• adjective (Anat.) Of or pertaining to the scaphoid and lunar bones of the carpus.
• adjective a bone formed by the coalescence of the scaphoid and lunar in the carpus of carnivora.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• adjective anatomy Of or relating to the scaphoid and lunar bones of the carpus.
• noun anatomy A bone formed by the coalescence of the scaphoid and lunar in the carpus of carnivora.