Home › Words › H › harpaxharpax/ˈhɑɹpæks/harpax means an Ancient Roman catapult-shot grapnel.Among words judged in Lexicurio's Arena, harpax ranks #23,631 of 42,752 for Qualifying.harpax is pronounced /ˈhɑɹpæks/.EtymologyFrom Ancient Greek ἅρπαξ (hárpax, “rapacious”).nounAn Ancient Roman catapult-shot grapnel.Definitions & examples from Wiktionary (CC BY-SA 3.0).