Definition of "reveal"

The building has a one-story rusticated limestone base and a canopied entrance with a doorman beneath an attractive, rusticated limestone window reveal on the second floor and a very impressive and ornate limestone window reveal on the third floor flanked by female figures.

2010, Carter B. Horsley, The Upper East Side Book

A simple dolly or crane move can be used for an effective reveal. A subject fills the frame, then with a move, something else is revealed.

2002, Blain Brown, Cinematography‎

Once you find out what’s going on—the girl is a “hungry,” this film’s term for zombies—it’s still interesting enough, if not quite as powerful. That’s basically what you’re in for with this British postapocalyptic survival horror tale, which starts off strong but dilutes its impact with every consecutive reveal.

2017 February 23, Katie Rife, “The Girl With All The Gifts tries to put a fresh spin on overripe zombie clichés”, in The Onion AV Club‎

Even Westworld—based on a science-fiction novel where robots run amok—ended its second season with the ultimate reveal: human beings are simpler and more predictable than the artificial intelligences we create.

2019, Douglas Rushkoff, “Survival of the Richest”, in Extinction Rebellion, editor, This Is Not A Drill, London: Penguin

Light was the wound, the prince's care unknown, / She might not, would not, yet reveal her own.

c. 1625, Edmund Waller, Of the Danger His Majesty (being Prince) Escaped in the Road at St Andero

The dispatches revealed details of corruption and kleptocracy that many Tunisians suspected, but could not prove, and would cite as they took to the streets.

2013 June 7, Gary Younge, “Hypocrisy lies at heart of Manning prosecution”, in The Guardian Weekly‎, volume 188, number 26, page 18