The portion of a beam located between and connected to the flanges.
FACT!
Edited to a better one
(
Londingham .,
Sun 12 Feb 2006, 2:35,
archived)
ahhhhhhhh
i thought it was something to do with boobs
(
we interrupt the programme when your back is turned on,
Sun 12 Feb 2006, 2:37,
archived)