L bar

Also called L beam.

angle iron

  1. an iron or steel bar, brace, or cleat in the form of an angle.
  2. Also called angle, angle bar, L bar, L beam. a piece of structural iron or steel having a cross section in the form of an L.

Origin of angle iron

First recorded in 1850–55
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for l-beam

angle iron

  1. Also called: angle, angle bar an iron or a steel structural bar that has an L-shaped cross section
  2. any piece of iron or steel forming an angle, esp a right angle
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012