from The American Heritage® Dictionary of the English Language, 4th Edition
- prep. Against: the plaintiff versus the defendant; Army versus Navy.
- prep. As the alternative to or in contrast with: "freedom of information versus invasion of privacy” ( Ian Hamilton).
from Wiktionary, Creative Commons Attribution/Share-Alike License
- conj. Used to link two or more opposing or contrasting elements.
- prep. against, in opposition to.
- prep. compared with, as opposed to.
- prep. Bringing a legal action against, as used in the title of a court case in which the first party indicates the plaintiff (or appellant or the like), and the second indicates the defendant (or respondent or the like).
from the GNU version of the Collaborative International Dictionary of English
- prep. Against; ; -- chiefly used in legal language, and abbreviated to v. or vs.
from The Century Dictionary and Cyclopedia
- Against: used chiefly in legal phraseology: as, John Doe versus Richard Roe. Abbreviated v., vs.
Middle English, from Medieval Latin, from Latin, turned, toward, from past participle of vertere, to turn.(American Heritage® Dictionary of the English Language, Fourth Edition)
From Latin versus ("against, turned"), past participle of vertere ("to turn, change, overthrow, destroy"). (Wiktionary)