Meaning

noun a verse form suited to the treatment of heroic or elevated themes; dactylic hexameter or iambic pentameter

adjective very imposing or impressive; surpassing the ordinary (especially in size or scale)

adjective relating to or characteristic of heroes of antiquity

originPartly from Middle French heroïque and partly from Latin hērōicus. By surface analysis, hero + -ic.

Etymology from Wiktionary, CC BY-SA 3.0