Source : Webster's Revised Unabridged Dictionary (1913)

Meckelian \Meck*e"li*an\, a. (Anat.)
   Pertaining to, or discovered by, J. F. Meckel, a German
   anatomist.

   {Meckelian cartilage}, the cartilaginous rod which forms the
      axis of the mandible; -- called also {Meckel's cartilage}.