quadruplicate
quad-ru-pli-cate
adjective
Consisting of four identical parts or copies.
"The contract was issued in quadruplicate."
noun
One of four identical copies, especially of a document.
"File the quadruplicate carefully."
verb
To create four identical copies of a document or item.
"Please quadruplicate the form."
Thesaurus
Synonyms: quadruplex, multiple, fourfold, four-fold, quadruple