Pronunciation: (vûr'sus, -suz), [key]
1. against (used esp. to indicate an action brought by one party against another in a court of law, or to denote competing teams or players in a sports contest): Smith versus Jones; Army versus Navy.
2. as compared to or as one of two choices; in contrast with: traveling by plane versus traveling by train. Abbr.: v., vs.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.