I. kwä-ˈdrü-pli-kət adjective
Etymology: Latin quadruplicatus, past participle of quadruplicare to quadruple, from quadruplic-, quadruplex fourfold, from quadri- + -plic-, -plex fold — more at -fold
Date: 1656
1. : consisting of or existing in four corresponding or identical parts or examples
quadruplicate invoices
2. : being the fourth of four things exactly alike
II. -plə-ˌkāt transitive verb
( -cat·ed ; -cat·ing )
Date: circa 1661
1. : to make quadruple or fourfold
2. : to prepare in quadruplicate
• qua·dru·pli·ca·tion -ˌdrü-plə-ˈkā-shən noun
III. kwä-ˈdrü-pli-kət noun
Date: 1790
1. : four copies all alike — used with in
typed in quadruplicate
2. : one of four things exactly alike ; specifically : one of four identical copies