βαθύπλευρος
From LSJ
καὶ ὑποθέμενος κατὰ τῆς κεφαλῆς φέρειν τὰς πληγάς, ὡς ἐν ἐκείνῃ τοῦ τε κακοῦ τοῦ πρὸς ἀνθρώπους → and having instructed them to bring their blows against the head, seeing that the harm to humans ... (Josephus, Antiquities of the Jews 1.50)
English (LSJ)
ον,
A deep-flanked, Gp.17.2.1.
Greek (Liddell-Scott)
βᾰθύπλευρος: -ον, ὁ ἔχων βαθείας πλευράς, βόες Γεωπ. 17. 2, 1.