What does trestle mean?
A trestle is a load-bearing framework, commonly constructed from timber or metal, that supports a horizontal beam, platform, or bridge deck. Its horizontal member is carried by legs or braces, forming an open structure that can support substantial weight. The best-known application is the railway trestle, an elevated bridge made from a repeated series of such supports. Trestles are also used as temporary structures during construction and as the supports for trestle tables, benches, and work platforms. The word evokes practical engineering and sturdy, exposed construction rather than a finished architectural ornament. Although people may imagine an entire bridge when hearing “trestle,” it can also refer to the individual supporting frame beneath a span. Etymologically, the word descends through Old French and Medieval Latin from the Latin transtrum, meaning a crossbeam or transverse beam.
nounA rigid framework, usually made of wood or metal, that supports a horizontal beam, platform, or bridge deck. The term also refers to a bridge or elevated structure supported by a series of such frameworks.
- A supporting framework with a horizontal beam or platform carried on legs, used in construction, engineering, or furniture-making.
- A bridge or elevated structure whose deck is supported by a series of trestles, especially a railway trestle.
"The old railway trestle carried the line across the marsh on a sequence of timber supports."
"Workers repaired the damaged beam resting on the wooden trestle."
"The route includes a long trestle suspended high above the canyon floor."
The regular plural is used for individual supporting frames and for bridges or elevated structures of this type.
"Several timber trestles were built across the valley."
A trestle bridge crosses difficult terrain by setting a long deck on a procession of strong, open frames.
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.
Where does trestle come from?
The word entered Middle English through Old French trelle, meaning a bridge or supporting structure. It ultimately derives from Medieval Latin trussellum, a diminutive of Latin transtrum, “crossbeam” or “transverse beam.” The Latin trans- element is also represented in cognates such as transom and transverse.
How trestle is actually used
The word is neutral in register but is especially associated with construction, civil engineering, and woodworking. It normally denotes a supporting structure rather than simply a stand or workbench.
Easily confused with trestle
A trestle is a load-bearing support, whereas a treadle is a foot-operated lever, as on a loom or sewing machine.