Quadripartite
Defined in 3 dictionaries — Ballentine's (1916), Black's (1910), Abbott (1879)
Ballentine's Law Dictionary
James A. Ballentine · 1916
Being in four parts; having four parties.
Black's Law Dictionary
Henry Campbell Black, M.A. · 1910
Divided into four parts. A term applied in conveyancing to an indenture executed in four parts.
Dictionary of Terms and Phrases Used in American or English Jurisprudence
Benjamin Vaughan Abbott · 1879
Of four parts. Applied to an indenture executed between four parties; hence made in four counterparts or copies.