The Collaborative International Dictionary of English v.0.48:

Central \Cen"tral\, Centrale \Cen*tra"le\, n. [NL. centrale, fr.
   L. centralis.] (Anat.)
   The central, or one of the central, bones of the carpus or or
   tarsus. In the tarsus of man it is represented by the
   navicular.
   [1913 Webster]