The act of making something known or visible that was previously hidden or secret. The reveal of the new product was met with great excitement from the audience.
A final revelation or disclosure, especially in a dramatic or theatrical context. The reveal at the end of the play left the audience in shock.
Architecture: the vertical side surface of a window or door opening between the frame (or jamb) and the outer face of the wall. The bricklayer ensured that each window reveal was straight and plumb before installing the frames.