noun
header
A horizontal structural member spanning an opening.
A sturdy header supports the wall above the kitchen doorway.
Etymology
The structural member sits at the head of an opening. Its name records that upper position while its function is to span and support the space below.
More examples
- The carpenter installs a wooden header above the window.
- Wider openings often require larger headers.
- The inspector checks both ends of the steel header for proper support.
Forms
header · headers
Similar words
- lintel
- Also spans an opening, especially in masonry construction.
- beam
- A broader structural term, not limited to spanning openings.