QUADRUPLICATE

I. adjective see: -fold Date: 1656 consisting of or existing in four corresponding or identical parts or examples , being the fourth of four things exactly alike, II. transitive verb (-cated; -cating) Date: circa 1661 to make quadruple or fourfold, to prepare in ~, quadruplication noun III. noun Date: 1790 four copies all alike, one of four things exactly alike