ἀμφήκης

A. two-edged, φάσγανον, ξίφος, Il. 10.256, Od. 16.80, B. 10.87, etc.; κέντρον, δόρυ, A. Pr. 692 (lyr.), Ag. 1149; ἔγχος, γένυς, S. Aj. 286, El. 485; of lightning, forked, πυρὸς ἀ. βόστρυχος A. Pr. 1044; κεραυνός Cleanth.1.10.

II. metaph., ἀ. γλῶττα tongue that will cut both ways, i.e. maintain either right or wrong, Ar. Nu. 1160 (parod.); of an oracle, ambiguous, ἀ. καὶ διπρόσωπος Luc. JTr. 43.