Home › Words › T › terabuckterabuckterabuck means one trillion (10¹²) dollars.Among words judged in Lexicurio's Arena, terabuck ranks #6,638 of 42,762 for Qualifying.EtymologyFrom tera- + buck.nounOne trillion (10¹²) dollars.Definitions & examples from Wiktionary (CC BY-SA 3.0).