Probably feminine of a presumed derivative of mache; a knife, i.e. Dirk; figuratively, war, judicial punishment -- sword.

see GREEK mache

μάχαιρα (machaira) − 2 Occurrences

μάχαιραι (machairai) − 1 Occurrence

μάχαιραν (machairan) − 12 Occurrences

μαχαίρῃ (machairē) − 5 Occurrences

μαχαίρης (machairēs) − 4 Occurrences

μαχαιρῶν (machairōn) − 5 Occurrences