What is "peridrome"

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.

n. The space between the columns and the wall of the cella in an Ancient Greek or Roman temple.

Peridrome is a genus of moths in the Erebidae family.