Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio.
a piece of structural iron or steel in the form of an angle; esp., such a piece in a right angle, used for joining or reinforcing two beams, girders, etc.
Used by arrangement with John Wiley & Sons, Inc.
nounThe American Heritage® Dictionary of the English Language, 4th edition Copyright © 2010 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
A length of steel or iron bent at a right angle along its long dimension, used as a support or structural framework.