Source : Webster's Revised Unabridged Dictionary (1913)

Osteocomma \Os`te*o*com"ma\, n.; pl. L. {Osteocommata}, E.
   {Osteocommas}. [NL. See {Osteo-}, and {Comma}.] (Anat.)
   A metamere of the vertebrate skeleton; an osteomere; a
   vertebra. --Owen.