American Heritage® Dictionary of the English Language, Fourth Edition
- n. A length of steel or iron bent at a right angle along its long dimension, used as a support or structural framework.
Century Dictionary and Cyclopedia
- n. A rolled or wrought bar of iron in the form of angle, used in iron constructions. Angle-irons are made with sections in the form of right angles, with equal or unequal sides; in the shape of double angles, when they are called
channel-irons; and in the form of the letters T, I, and Z, from which they take the names of T-, I-, and Z-irons. They are used for joining piece to piece in every kind of ironwork, as well as for forming component parts and principal members (as the ribs of ships, the V-girders of bridges and floors) in all iron structures. Also called angle-bar.
GNU Webster's 1913
- n. (Mach.) a rolled bar or plate of iron having one or more angles, used for forming the corners, or connecting or sustaining the sides of an iron structure to which it is riveted.
- n. an L-shaped metal bracket
“An angle iron installed at the juncture of door and frame rendered the door secure against jimmying.”
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