lintel
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lintel,
in architecture, the horizontal member that spans an opening, such as a door or window, or that connects two columns. The post-and-lintel, or trabeated, system of construction, with spans limited to the length of available wood or stone beams, is the basis of the Egyptian and Greek styles of architecture, as contrasted with the later arched and vaulted, or arcuated, styles.Lintel
Lintel
a structural member that spans the window and door openings in a wall and bears the load of the structures that rest on the lintel. Lintels are made of reinforced concrete, metal, wood, or brick. [19–1164—1]
lintel
[′lint·əl] (building construction)
A horizontal member over an opening, such as a door or window, usually carrying the wall load.
header joist, header, lintel, trimmer joist

header joist

header, 3

header, 1
lintel
A horizontal structural member (such as a beam) over an opening which carries the weight of the wall above it; usually of steel, stone, or wood. Also see door lintel, eyebrow lintel, fireplace lintel, splayed lintel, through lintel.
lintel
a horizontal beam, as over a door or window