n.

1. A horizontal beam or bar held up by two pairs of divergent legs and used as a support.
2. A framework consisting of vertical, slanted supports and horizontal crosspieces supporting a bridge.

[Middle English trestel, from Old French, alteration of Vulgar Latin *trāstellum, trānstellum, diminutive of Latin trānstrum, beam. See transom.]

A succession of towers of steel, timber, or reinforced concrete supporting the horizontal beams of a roadway, bridge, or other structure. Little distinction can be made between a trestle and a viaduct, and the terms are used interchangeably by many engineers. A viaduct is defined as a long bridge consisting of a series of short concrete or masonry spans supported on piers or towers, and is used to carry a road or railroad over a valley, a gorge, another roadway, or across an arm of the sea. See also Bridge.

A trestle or a viaduct usually consists of alternate tower spans and spans between towers. For low trestles the spans may be supported on bents, each composed of two columns adequately braced in a transverse direction. A pair of bents braced longitudinally forms a tower. See also Tower.

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[ܒtresǝl]

ˈtresǝl n. 1. a framework consisting of a horizontal beam supported by two pairs of sloping legs, used in pairs to support a flat surface such as a tabletop.

2. also trestlework an open braced framework used to support an elevated structure such as a bridge.

3. also trestletree each of a pair of horizontal pieces on a sailing ship's lower mast supporting the topmast.

See the Introduction, Abbreviations and Pronunciation for further details.

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Dansk (Danish)
n. - buk, understel

Nederlands (Dutch)
schraag

Français (French)
n. - tréteau

Deutsch (German)
n. - Auflagerbock, Tapeziertisch, Gerüst, (mar.) Längssaling

Ελληνική (Greek)
n. - κινητός υποστάτης, (σ)τρίποδο, στήριγμα ή βάθρο από σανίδες και τρίποδα, υπόβαθρο, υποστήριγμα, καβαλέτο

Italiano (Italian)
trespolo

Português (Portuguese)
n. - suporte de mesa (m), cavalete (m)

Русский (Russian)
подмостки, козлы

Español (Spanish)
n. - caballete

Svenska (Swedish)
n. - (trä)bock (s. stöd)

中文（简体） (Chinese (Simplified))
支架, 栈桥, 高架桥, 搁凳

中文（繁體） (Chinese (Traditional))
n. - 支架, 棧橋, 高架橋, 擱凳

한국어 (Korean)
n. - 구각, 버팀 다리, 가대

日本語 (Japanese)
n. - 架台, 馬, 構脚

العربيه (Arabic)
‏(الاسم) مسند, منصه‏

עברית (Hebrew)
n. - ‮חצובת-שולחן, רגלית, גשר-מתמכים‬

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Mission Hills Trestle Table