Home › Words › H › holocallholocallholocall · noun — A holographic video call.Definition from Wiktionary (CC BY-SA 3.0).Among words judged in Lexicurio's Arena, holocall ranks #23,643 of 42,854 for Qualifying.EtymologyFrom holo- + call.nounA holographic video call.Definitions & examples from Wiktionary (CC BY-SA 3.0).