Home › Words › M › metawaveguidemetawaveguidemetawaveguide · noun — A waveguide that operates using a relatively weak control beam to interferometrically manipulate a much more intense laser signal.Definition from Wiktionary (CC BY-SA 3.0).Among words judged in Lexicurio's Arena, metawaveguide ranks #36,786 of 43,225 for Qualifying.EtymologyFrom meta- + waveguide.nounA waveguide that operates using a relatively weak control beam to interferometrically manipulate a much more intense laser signal.Definitions & examples from Wiktionary (CC BY-SA 3.0).