The Collaborative International Dictionary of English v.0.48:

Central \Cen"tral\, a. [L. centralis, fr. centrum: cf. F.
   central. See Center.]
   Relating to the center; situated in or near the center or
   middle; containing the center; of or pertaining to the parts
   near the center; equidistant or equally accessible from
   certain points.
   [1913 Webster]

   Central force (Math.), a force acting upon a body towards
      or away from a fixed or movable center.

   Center sun (Astron.), a name given to a hypothetical body
      about which M[aum]dler supposed the solar system together
      with all the stars in the Milky Way, to be revolving. A
      point near Alcyone in the Pleiades was supposed to possess
      characteristics of the position of such a body.
      [1913 Webster] Central