bulb angle

bulb angle

[′bəlb ‚aŋ·gəl]
(design engineering)
A steel angle iron enlarged to a bulbous thickening at one end.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.

bulb angle

bulb angle
An angle iron, one side of which thickens toward the edge, forming a bulbous rib.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.