What does «versus» mean in Spanish?

In front of, against. Often abbreviated "vs.".

Examples of use in Spanish: "Occidente versus Oriente".

"Argentina vs. Brasil", en el sentido de contra puede también reemplazarse por un guion: "Argentina-Brasil".
It is also used to compare two things: in front of, in comparison with, in contrast with, in opposition to, in relation to.

Examples of use in Spanish: "Vino blanco versus vino tinto, ¿sabes cuál es más saludable?".