Liddell–Scott–Jones: ἡρῷος

ἡρῷος,α,ον, contr. forἡρώϊος(q.v.);ὁ ἡ. (sc.ῥυθμός)

A. the heroic measure, hexameter, Pl. R. 400b , cf. Arist. Rh. 1408b32 ;ἡ. [μέτρον] Id. Po. 1460a3 ;ποὺς ἡ.dactyl,

AP 7.9 ( Damag. ), etc.