Definitionen
1.NounAn experience of something in advance.
2.NounAn advance showing of a film, exhibition etc.
3.NounA short collection of clips edited together to advertise a film, television show, etc.; a trailer.
4.NounSomething seen in advance. (Can we add an example for this sense?)
5.NounA facility for viewing and checking a document or photo, or changes to it, before saving or printing it.
6.VerbTo show or watch something, or part of it, before it is complete.
7.VerbTo show something in advance, a facility for viewing and checking a document or photo, or changes to it, before saving or printing it.