βοάγριον
From LSJ
τὸ δὲ ποιεῖν ἄνευ νοῦ ἃ δοκεῖ καὶ σὺ ὁμολογεῖς κακὸν εἶναι: ἢ οὔ → but doing what one thinks fit without intelligence is—as you yourself admit, do you not?—an evil
English (LSJ)
τό,
A shield of wild bull's hide, Il.12.22, Od.16.296, AP9.323 (Antip.).
German (Pape)
[Seite 450] τό, Schild vom Fell eines (wilden?) Ochsen; Hom. zweimal, Iliad. 12, 22 πολλὰ βοάγρια καὶ τρυφάλειαι, Odyss. 16, 296 δύο φάσγανα καὶ δύο δοῦρε καὶ δοιὰ βοάγρια; – sp. D., wie Antip. 29 (IX, 323).