A.stretched or strained over, esp. of the membrane which contains the lower viscera, “τοῦ π. χιτῶνος ἢ ὑμένος ἢ σκεπάσματος” Gal.UP4.9 :—freq. as Subst. περιτόναιον , τό, Hp.Epid.7.20, Gal. l.c., 18(1).164, etc.; περιτόναιος , ὁ, Cels.4.1.13.
2. περιτόναια, τά, projecting beams at the stern of a ship, ib.89.