Akademik

lunate bone n a crescent-shaped bone that is the middle bone in the proximal row of the carpus between the scaphoid bone and the triquetral bone and that has a deep concavity on the distal surface articulating with the capitate called also lunate, semilunar bone

a bone of the wrist (see carpus). It articulates with the capitate and hamate bones in front, with the radius behind, and with the triquetral and scaphoid at the sides.