Home › Words › T › tightbeamtightbeamtightbeam means A focused beam of energy (such as a laser) that contains and transmits information.Among words judged in Lexicurio's Arena, tightbeam ranks #2,165 of 42,747 for Qualifying.EtymologyFrom tight + beam.nounA focused beam of energy (such as a laser) that contains and transmits information.e.g.““Do I have those tightbeams yet?” “We're acknowledged and pending, sir,” Chen said. “They know we want to talk.”” — 2013, James S. A. Corey, Abaddon's Gate:Definitions & examples from Wiktionary (CC BY-SA 3.0).