μηνιγγοφύλαξ
From LSJ
ἆρ' ἐς τὸ κάλλος ἐκκεκώφηται ξίφη → can it be that her beauty has blunted their swords, can it be that their swords are blunted at the sight of her beauty
English (LSJ)
[ῠ], ᾰκος, ὁ, a metallic
A protector to prevent injury to the μῆνιγξ in operations on the skull, Cels.8.3, Heliod. ap. Orib.44.11.2, Gal.2.686, Alex.Trall.1.14; also used of a dressing, Heliod. ap. Orib.46.19.4.
German (Pape)
[Seite 174] ακος, ὁ, Wächter der Hirnhaut, ein chirurgisches Instrument, welches beim Ausschneiden verletzter Knochen der Hirnschale gebraucht wird, um das Gehirn nicht zu beschädigen, Galen.