noun
trestle
TRESS-ul/ˈtresl/
A framework that supports a structure or surface.
A wooden trestle supports each end of the work table.

Etymology
A crossbeam holds other pieces up. The name extended from that supporting member to a framework of uprights and a crossbeam, used beneath tables, platforms, or bridges.
In context
A trestle bridge is superficially similar to a truss: a framework of smaller members.
More examples
- Steel trestles hold the railway tracks above the valley.
- We rest the plywood on two trestles to make a table.
- The crew checks each trestle beneath the platform for damage.
Forms
trestle · trestles
Similar words
- sawhorse
- Usually a small beam-and-leg support used for cutting wood.
- scaffold
- Usually a temporary framework supporting workers during construction or repairs.