What does «presionar» mean in Spanish?

To squeeze, press, push a thing.

Examples of use in Spanish: "Presionar el botón del timbre".
Lobbying, coercing or exerting influence on one or more persons.

Examples of use in Spanish: "Estuvieron presionando al acusado para que diga la verdad".

"Intentan presionar a los trabajadores para que acepten esas malas condiciones de trabajo".
Constantly harassing one player or team against another to make it difficult for them to play.

Examples of use in Spanish: "El equipo de fútbol local presiona mucho al visitante".