θρανίς
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)
ίδος, ἡ, A sword-fish,= ξιφίας, Xenocr.17; cf. θρανίας.
German (Pape)
[Seite 1215] ἡ, der Schwertfisch, sonst ξιφίας, Sp. Vgl. θρανίας.
Greek (Liddell-Scott)
θρᾰνίς: -ίδος, ἡ, ἰχθὺς ὁ καλούμενος καὶ ξιφίας, Ξενοκρ. Ἐνυδρ. 8, Πλίν.