metal strip in the form of an "L" used in construction to support any other member or to constitute the top or bottom plates of a composite beam or member
angle iron - mild steel bar rolled to an L-shaped cross-section, used in structural work
... all windows and sidescuttles in bulkheads separating accommodation and service spaces and control stations from weather shall be constructed with frames of steel or other suitable material. The glass shall be retained by a metal glazing bed or angle.
