The Collaborative International Dictionary of English v.0.48:
Peridrome \Per"i*drome\, n. [Gr. ?, fr. ? running around, fr. ? to run round; peri` 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. [1913 Webster]