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单词 trestle
释义

WordReference Random House Learner's Dictionary of American English © 2024
tres•tle /ˈtrɛsəl/USA pronunciation   n. [countable]
  1. Buildinga frame made of a crosspiece attached at each end to the top of a frame, used as a support for planking, etc.;
    a horse.
  2. Building, Civil Engineering
    • Civil Engineeringone of a number of such frames joined together to support a bridge.
    • a bridge made of these:The soldiers blew up the trestle just as the supply train was crossing it.

WordReference Random House Unabridged Dictionary of American English © 2024
tres•tle  (tresəl),USA pronunciation n. 
  1. a frame typically composed of a horizontal bar or beam rigidly joined or fitted at each end to the top of a transverse A-frame, used as a barrier, a transverse support for planking, etc.;
    horse.
  2. [Civ. Engin.]
    • one of a number of bents, having sloping sides of framework or piling, for supporting the deck or stringers of a bridge.
    • a bridge made of these.
  • Middle French, by dissimilation from Old French trestre Latin trānstrum crossbeam
  • Middle English trestel 1300–50

Collins Concise English Dictionary © HarperCollins Publishers::
trestle /ˈtrɛsəl/ n
  1. a framework in the form of a horizontal member supported at each end by a pair of splayed legs, used to carry scaffold boards, a table top, etc
  2. a braced structural tower-like framework of timber, metal, or reinforced concrete that is used to support a bridge or ropeway
  3. a bridge constructed of such frameworks
Etymology: 14th Century: from Old French trestel, ultimately from Latin trānstrum transom
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