Definitions for quadruplex
quadruple, quadruplicate, quadruplex, fourfold, four-fold(adj)
having four units or components
"quadruple rhythm has four beats per measure"; "quadruplex wire"
A quadruplex system
Having four components.
of or relating to a system in telegraphy by which four messages can be sent on one wire simultaneously.
Origin: From quadruplex, from quattuor + plico
fourfold; folded or doubled twice