#1
quadruplicate n. any four copies; any of four things that correspond to one another exactly; "it was signed in quadruplicate"
. wn #2
quadruplicate v. reproduce fourfold; "quadruplicate the bill"
. wn #3
quadruplicate s. [
quadruple, quadruplex, fourfold, four-fold] having four units or components; "quadruple rhythm has four beats per measure"; "quadruplex wire"
. wn