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| tres·tle [ tréss'l ] (plural tres·tles) |
noun |
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| Definition: |
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1. supporting framework: a supporting framework consisting of a horizontal beam held up by a pair of splayed legs at each end
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2. tower for supporting bridge: a tower with sloping sides braced by horizontal crosspieces that supports a bridge, made of timber, steel, or reinforced concrete
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3. bridge supported by towers: a bridge consisting of multiple short spans supported by towers with sloping sides braced by horizontal crosspieces
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| [14th century. < Old French trestel "small beam" < Latin transtrum "beam, crossbar"] |
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