trestle Definition

1. A type of supporting framework that has a horizontal beam the end of which rests on a pair of legs which slope outwards, eg the kind that a board can be put onto to form a table.
2. A table that consists of a board supported by trestles.

Form: trestle-table (in full)
3. A type of framework that consists of a series of wooden or metal trestles joined together to form a support for a bridge, viaduct, etc, especially one that carries a railway.

Form: trestlework (in full)