transom

noun

tran·​som ˈtran(t)-səm How to pronounce transom (audio)
1
: a transverse piece in a structure : crosspiece: such as
a
: lintel
b
: a horizontal crossbar in a window, over a door, or between a door and a window or fanlight above it
c
: the horizontal bar or member of a cross or gallows
d
: any of several transverse timbers or beams secured to the sternpost of a boat
also : the planking forming the stern of a square-ended boat
2
or transom window : a window above a door or other window built on and commonly hinged to a transom

Illustration of transom

Illustration of transom
  • T transom 2
Phrases
over the transom
: without solicitation or prior arrangement
the manuscript arrived over the transom

Examples of transom in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
This entryway also has a transom window and a sidelight that will wash the small space in the sun. Leanne Potts, Better Homes & Gardens, 2 Oct. 2025 That latter figure includes the transom mounting bracket that's designed to be left on the boat, so users are only meant to carry around the 28.7-lb package, conveniently outfitted with a tiller that folds to work as a carry handle. New Atlas, 10 Sep. 2025 There is plenty of room for entertaining, too: With the transom and side terraces open, the club almost doubles in size. Rachel Cormack, Robb Report, 5 Sep. 2025 French doors with a transom window in the living room lead to a room that could be a home office, den, or library. James Alexander, Hartford Courant, 17 Aug. 2025 See All Example Sentences for transom

Word History

Etymology

Middle English transyn, traunsom, probably alteration of traversayn, from Middle French travessain, from Old French traversain set crosswise, from Vulgar Latin *traversanus, from Latin transversus transverse

First Known Use

14th century, in the meaning defined at sense 1

Time Traveler
The first known use of transom was in the 14th century

Browse Nearby Words

Cite this Entry

“Transom.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/transom. Accessed 7 Oct. 2025.

Kids Definition

transom

noun
tran·​som ˈtran(t)-səm How to pronounce transom (audio)
1
: a horizontal crossbar in a window, over a door, or between a door and a window or fanlight above it
2
: a window above a door or other window built on and commonly hinged to a transom

More from Merriam-Webster on transom

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!