What part of speech is trestle?

"Trestle" can be a few different parts of speech, depending on how it's used:

* Noun: This is the most common usage, referring to a structure made of beams or framework, often used to support a bridge, road, or other construction. Example: "The train crossed over the trestle bridge."

* Verb: This is less common, but it means to support something with a trestle. Example: "They trestled the beams for the new roof."

Therefore, the part of speech for "trestle" depends on its context within a sentence.