What does «previo» mean in Spanish?
-  Anticipatory;    going before or happening first, usually conditioning or serving as a    preparation for what follows.
 Examples of use in Spanish: "autorización previa".
 
 "previo aviso".
 
 "acuerdo previo".
 
 "previo consentimiento del médico".
 
 "previa autorización del juez".
 
 "tengo un compromiso previo, por esta razón no podré asistir".
 
 
- In Cinema, recording of the sound that is made before impressing the image. It is a technique where a previously recorded audio is played back and an actor tries to follow it with mime.
- Preview of a pilot film or television program.
-  Moment    before a night out, where young people get together and drink alcoholic    beverages.
 ♦ Used in: Argentina
 Examples of use in Spanish: "¿Vamos a la previa en la casa de Juan?".