"previews" in the noun sense
1. preview, prevue, trailer
an advertisement consisting of short scenes from a motion picture that will appear in the near future
2. preview
a screening for a select audience in advance of release for the general public
"previews" in the verb sense
1. preview
watch (a movie or play) before it is released to the general public
Source: WordNet® (An amazing lexical database of English)
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