quadruplicate
adjective
- 1
having four units or components
quadruple rhythm has four beats per measure
quadruplex wire
noun
- 1
any four copies; any of four things that correspond to one another exactly
it was signed in quadruplicate
verb
- 1
reproduce fourfold
quadruplicate the bill
Also useful for “quadruplicate”:Scrabble— High-value letters — see what it scores