Transom (nautical)
A transom is the aft transverse surface of the hull of some boats and ships forming its stern. Adding both strength and width to the stern, a transom may be flat or curved, and vertical, raked aft (known as an overhung or "counter" stern), or raked forward (and "reversed",[1] also known as retroussé).[2] In small boats and yachts, a flat termination of the stern is typically above the waterline, but large commercial vessels often exhibit vertical transoms that dip slightly beneath the water.[3]
On smaller boats such as dinghies, transoms may be used to support a rudder, outboard motor, or other accessory. On some yachts the transom may include a hinged swim platform, and a lazarette for deck items and leisure toys.[4]
Etymology
[edit | edit source]The term was used as far back as Middle English in the 1300s, having come from Latin transversus (transverse) via Old French traversain (set crosswise).[2][5]
History
[edit | edit source]| [icon] | This section needs expansion with: content on the evolution of the transom over time. You can help by adding to it. (August 2025) |
![[icon]](/index.php/File:Wiki_letter_w_cropped.svg){kind=link}
Design
[edit | edit source]
| [icon] | This section needs expansion with: the advantages and disadvantages of transoms, and the pros and cons of each design. You can help by adding to it. (August 2025) |
Gallery
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The transom of the Spirit of Bermuda, made of Bermuda cedar
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Raked transom with rudder mounting points
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Reverse transom with rudder mounted under the hull
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Transom-mounted outboard motor
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An Irwin 44 sloop with a fold-down reverse transom
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Reverse transom with integral access platform
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References
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- ^ 2007 Collins dictionary