Dictionary entry

Reveal (2)

Webster's Dictionary 1913

Re‐veal″, n. 1. A revealing; a disclosure.

2. (Arch.) 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. [Written also revel.]