Source : Webster's Revised Unabridged Dictionary (1913)

Peridrome \Per"i*drome\, n. [Gr. ?, fr. ? running around, fr. ?
   to run round; ? round + ? to run: cf. F. p['e]ridrome.]
   (Arch[ae]ol.)
   The space between the columns and the wall of the cella, in a
   Greek or a Roman temple.