• WordNet 3.6
    • n transom a horizontal crosspiece across a window or separating a door from a window over it
    • n transom a window above a door that is usually hinged to a horizontal crosspiece over the door
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Webster's Revised Unabridged Dictionary
    • Transom (Arch) A horizontal crossbar in a window, over a door, or between a door and a window above it. Transom is the horizontal, as mullion is the vertical, bar across an opening. See Illust. of Mullion.
    • Transom (Railroad) One of the crossbeams connecting the side frames of a truck with each other.
    • Transom (Naut) One of the principal transverse timbers of the stern, bolted to the sternpost and giving shape to the stern structure; -- called also transsummer.
    • Transom (Gun) The piece of wood or iron connecting the cheeks of some gun carriages.
    • Transom (Surg) The vane of a cross-staff.
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Century Dictionary and Cyclopedia
    • n transom One of the cross-ties or sleepers laid under the longitudinal sills of a permanent way for a street railway, or for any railway laid on this system, as in a mine.
    • n transom In architecture, a horizontal bar of timber or stone across a window; also, the cross-bar separating a door from the fanlight above it. See mullion.
    • n transom Same as transom-window, 2.
    • n transom A slat of a bedstead.
    • n transom Nautical, one of several beams or timbers fixed across the stern-post of a ship to strengthen the after part and give it the figure most suitable to the service for which the vessel is intended. See also cut under counter.
    • n transom In a saw-pit, a joist resting transversely upon the strakes.
    • n transom One of two beams of wood or metal secured horizontally to the side frames of a railway car-truck. They are placed one on each side of the swing-bolster.
    • n transom In gunnery, a piece of wood or iron joining the cheeks of gun-carriages, whence the terms transom-plates, transom-bolts, etc.
    • n transom In surveying, a piece of wood made to slide upon a cross-staff; the vane of a cross-staff.
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Chambers's Twentieth Century Dictionary
    • n Transom tran′sum a thwart beam or lintel, esp. the horizontal mullion or crossbar of a window: in ships, the beam across the sternpost to strengthen the afterpart
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Webster's Revised Unabridged Dictionary
Probably fr. L. transtrum, a crossbeam, transom, from trans, across. Cf. Trestle
Chambers's Twentieth Century Dictionary
L. transtrum, a cross-bank—trans, across.


In literature:

The center or fork transom, Figs.
"Manual of Military Training" by James A. Moss
In the second floor corridor Brett felt his way along in near-darkness, guided by the dim light coming through transoms.
"It Could Be Anything" by John Keith Laumer
I saw you last night staring through the transom.
"The Pagan Madonna" by Harold MacGrath
The light still burned in her room, streaming out through the transom.
"A Young Man in a Hurry" by Robert W. Chambers
Can you climb over the transom, young man?
"The Strange Adventures of Mr. Middleton" by Wardon Allan Curtis
But we soon became accustomed to it, and learned not to be alarmed at finding a Chinaman asleep on the transom below.
"Scenes in the Hawaiian Islands and California" by Mary Evarts Anderson
Then I climbed up on a chair set on top of a table, and observed her over the transom.
"The Van Dwellers" by Albert Bigelow Paine
Thank Heaven, the door of that room is locked, but goodness knows how soon it will be crawlin' through the transom.
"Anderson Crow, Detective" by George Barr McCutcheon
The main cabin was well appointed in hardwood, with red cushions on the transoms and a creeping plant or so hanging here and there.
"A Man to His Mate" by J. Allan Dunn
A light shone through the transom, and, summoning all her courage, she knocked.
"Jennie Gerhardt" by Theodore Dreiser
A light shone through a transom over the door to the navigating room.
"In the Orbit of Saturn" by Roman Frederick Starzl
Winford surveyed the transom pessimistically.
"The Space Rover" by Edwin K. Sloat
Except for a barred transom over the door, there was no means of ventilation.
"A Yankee Flier Over Berlin" by Al Avery
The room was ventilated and illumined in the daytime only by a very dirty transom giving on a shaft.
"The Crimson Tide" by Robert W. Chambers
Through the open transom he could hear the boy's peaceful breathing.
"Mark Mason's Victory" by Horatio Alger
As a further precaution she climbed upon a chair and pushed the transom shut.
"Exit Betty" by Grace Livingston Hill
A light burned inside; he saw that through an open transom; but there were no sounds.
"Ashton-Kirk, Criminologist" by John T. McIntyre
They could see each other dimly in the faint light that entered through the transom over the door.
"Doubloons--and the Girl" by John Maxwell Forbes
Not a light shone in its closely shuttered windows, and only over the transom of the door was there any visible sign of occupants within.
"The Green God" by Frederic Arnold Kummer
Over the door is a four-light rectangular transom.
"Green Spring Farm" by Ross Netherton

In news:

Sin City director Robert Rodriguez is letting his heart get in the way of his better judgment with his forthcoming big-budget remake of Barbarella, a source with knowledge of the production told the Transom.
I must say that the most interesting stuff sails through Ed Whelan's transom.
And, in The Transom itself, the story of two dogs, one rich, one poor, and the assault that brought them together.
The Transom purchased, actually paid for, a subscription to Hamptons magazine more than a month ago, and it has yet to arrive.
A lot of the books that come over the transom here at.
OK, no, you're right: We don't have an actual transom here at the Chronicle.
Jad Abumrad's Transom Manifesto .
This boat has the familiar low-profile deck, flat transom, and many of the same components you'll find on larger Outlaws .
The Transom stood at the end of a $40,000 ping -pong table inside Grand Central Terminal's Vanderbilt Hall, paddle in hand.
The Transom stood at the end of a $40,000 ping-pong table inside Grand Central Terminal's Vanderbilt Hall, paddle in hand.
Getting a press release over the transom here.
Hanged at dawn, according to news reports just coming over the transom.
But what really identifies Crest performance pontoons are the optional Taper-Toon and the patented adjustable MP6 transom.
The 3200 has a 32'2" LOA with a 10'4" beam and 21 degree deadrise at the transom.
Sent this in over the transom a few days ago.