angle rib

angle rib

[′aŋ·gəl ‚rib]
(architecture)
One of the diagonal ribs dividing each rectangle of a gothic vaulting; it is a structural member.
Molding ornamenting an angle in decorative work.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.

angle rib

1. In decorative work, a molding that ornaments an angle.
2. In Gothic architecture, one of the diagonal ribs, 1 that divides each of the rectangles of a vault.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.