"Versus" is a word in LAW AND LEGAL, ENGLISH

LaL Against In the tltle of a cause, the name of the plaintiff ls put first, followed by the word “versus,” then the defendant’s name. Thus, “Fletcher versus Peck,” or “Fletcher against Peck.” The word ls commonly abbrevlated “vs." or “v

Against; as, John Doe versus Richard Roe; -- chiefly
used in legal language, and abbreviated to v. or vs.