Meaning

• The outer side of a window or door frame; the jamb.

• A revelation; an uncovering of what was hidden.

  "The comedian had been telling us about his sleep being disturbed by noise. Then came the reveal: he was sleeping on a bed in a department store."

• (obsolete in the US) The side of an opening for a window, doorway, or the like, between the door frame or window frame and the outer surface of the wall; or, where the opening is not filled with a door, etc., the whole thickness of the wall; the jamb.

Meaning

• To uncover; to show and display that which was hidden.

• To communicate that which could not be known or discovered without divine or supernatural instruction.