ἀπορράπτειν τὸ Φιλίππου στόμα ὁλοσχοίνῳ ἀβρόχῳ → sew up Philip's mouth with an unsoaked rush, stop Philip's mouth with an unsoaked rush, shut one's mouth without any trouble
P. κατάστεγος, P. and V. κατηρεφής (Plato, Critias, 116B, but rare P.).
roofed with stone: V. πετρηρεφής.