fan truss[′fan ‚trəs]
A truss with struts arranged as radiating lines.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
A truss which has struts supported at their feet by a common suspension member from which they radiate, diverging like the ribs of a fan.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.