Quick answer
Ares is a boy name meaning "bane, ruin; male".
Pronunciation: Classical Greek /á.rɛːs/; English /ˈɛɹ.iːz/.
Meaning and history
Perhaps from either Greek ἀρή (are) meaning "bane, ruin" or ἄρσην (arsen) meaning "male". The name first appears as a-re in Mycenaean Greek writing. It is possible the name is not actually of Indo-European origin. Ares was the bloodthirsty god of war and vengeance in Greek mythology, a son of Zeus and Hera.
Notes and context
Usage: greek mythology | Ancient Greek: Ἄρης