ἡμικεφάλαιον
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)
[ᾰ], τό, less Att. form for ἡμίκρανον (i.e. ἡμίκραιρα), acc. to Phryn.303:
German (Pape)
[Seite 1168] τό, Hesych., von Phryn. 328 verworfen, gegen ἡμίκρανον.
Greek (Liddell-Scott)
ἡμικεφάλαιον: τό, ἧττον ἀττικὸς τύπος τοῦ ἡμίκραιρα, Φρύν. 328· ― ἡμικέφαλον, Γλωσσ.