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transom

 - 3 dictionary results

tran⋅som

[tran-suhm]
–noun
1. a crosspiece separating a door or the like from a window or fanlight above it.
2. Also called transom light, transom window. a window above such a crosspiece.
3. a crossbar of wood or stone, dividing a window horizontally.
4. a window so divided.
5. Nautical.
a. a flat termination to a stern, above the water line.
b. framework running athwartships in way of the sternpost of a steel or iron vessel, used as a support for the frames of the counter.
6. Artillery. a metal piece connecting the sidepieces of the tail or the cheeks of a gun carriage.

Origin:
1325–75; late ME traunsum, traunsom, ME transyn, prob. alter. (by assoc. with trans- ) of traversayn < OF traversin crosspiece, deriv. of travers breadth; see traverse


transomed, adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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tran·som   (trān'səm)   
n.  
    1. A horizontal crosspiece over a door or between a door and a window above it.

    2. A small hinged window above a door or another window.

    3. Any of several transverse beams affixed to the sternpost of a wooden ship and forming part of the stern.

    4. The aftermost transverse structural member in a steel ship, including the floor, frame, and beam assembly at the sternpost.

    5. The stern of a square-sterned boat when it is a structural member.

  1. A horizontal dividing bar of wood or stone in a window.

  2. A lintel.

  3. Nautical

    1. Any of several transverse beams affixed to the sternpost of a wooden ship and forming part of the stern.

    2. The aftermost transverse structural member in a steel ship, including the floor, frame, and beam assembly at the sternpost.

    3. The stern of a square-sterned boat when it is a structural member.

  4. The horizontal beam on a cross or gallows.


[Middle English traunsom, probably alteration of Latin trānstrum, cross-beam, from trāns, across; see trans-.]
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Word Origin & History

transom 
1388, transeyn "crossbeam spanning an opening, lintel," probably by dissimilation from L. transtrum "crossbeam" (especially one spanning an opening), from trans- "across" + instrumental suffix -trum. Meaning "small window over a door or other window" is first recorded 1844.
Online Etymology Dictionary, © 2001 Douglas Harper
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