βουλευτήριος
From LSJ
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
English (LSJ)
ον,
A giving advice, κακῶν τ' Ἀδράστῳ τῶνδε βουλευτήριον A.Th.575.
German (Pape)
[Seite 457] ον, berathend, ὁ, der Rathgeber, Aesch. Spt. 557.
Greek (Liddell-Scott)
βουλευτήριος: -ον, = βουλευτικὸς Ι. 2, ὁ παρέχων συμβουλήν, κακῶν τ’ Ἀδράστῳ τῶνδε βουλευτήριον Αἰσχύλ. Θήβ. 575.