trestle definition by Webster's New World
- a framework consisting of a horizontal beam fastened to two pairs of spreading legs, used to support planks to form a table, platform, etc.
- a framework of vertical or slanting uprights and crosspieces, supporting a bridge, etc.
- a bridge with such a framework
Origin: Middle English trestel ; from Old French ; from Vulgar Latin an unverified form transtellum, diminutive of Classical Latin transtrum, a beam: see transom
trestle definition by American Heritage Dictionary
- A horizontal beam or bar held up by two pairs of divergent legs and used as a support.
- A framework consisting of vertical, slanted supports and horizontal crosspieces supporting a bridge.
Origin: Middle English trestel, from Old French, alteration of Vulgar Latin *trāstellum, trānstellum, diminutive of Latin trānstrum, beam; see transom.