crossbeam
/ˈkrȯs-ˌbēm/ (ame, mw)
crossbeam — noun
1. a strong horizontal bar made of wood or metal that stretches from one side of a
a strong horizontal bar made of wood or metal that stretches from one side of a structure to the other, holding up a roof, ceiling, or other part of a building or bridge.
The old barn's crossbeam was carved with the date 1892.
Thick oak crossbeams supported the heavy stone roof of the medieval hall.
noun modifier + verb: thick oak crossbeams supported
A steel crossbeam was fitted across the gap to strengthen the bridge.
The carpenter carefully measured the crossbeam before cutting it to the right length.
Without the central crossbeam, the ceiling would have collapsed under the heavy snow.
- beam
a more general term for any long horizontal support; crossbeam specifically suggests one that spans across a space
- joist
one of several parallel beams that support a floor or ceiling; a crossbeam typically runs across joists at a right angle
- rafter
a beam that forms the slope of a roof; rafters are angled, whereas a crossbeam is horizontal
用法筆記
Most common in discussions of traditional or rustic architecture, barns, churches, and timber-frame construction.