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keelson

American  
[kel-suhn, keel-] / ˈkɛl sən, ˈkil- /
Also kelson

noun

Nautical.
  1. any of various fore-and-aft structural members lying above or parallel to the keel in the bottom of a hull.


keelson British  
/ ˈkɛlsən, ˈkiːl- /

noun

  1. a longitudinal beam fastened to the keel of a vessel for strength and stiffness

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of keelson

1605–15; < Low German kielswin literally, “keel swine” (sense relation obscure) < Scandinavian; compare Dutch kolsvijn, Danish kølsvin, Swedish kölsvin

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Keel, keelson, longitudinals and inner and outer bottoms, were of a weight, size and thickness exceeding those of any previous ship.

From Scientific American • Apr. 11, 2012

Alarm gongs clanged violently from lookout to keelson; bugles sounded to-your-stations.

From Time Magazine Archive

But if the French and Spanish navies were rotten to their garboard strakes, Pope makes clear that the British was rotten to its keelson.

From Time Magazine Archive

Below the keel proper was a false keel, which was useful when vessels were hauled up on shore, and above the keelson was an upper false keel, into which the masts were stepped.

From Ancient and Modern Ships. Part 1. Wooden Sailing Ships by Holmes, George C. V.

Strong iron riders were worked in for the whole length of the ship in the spaces between the beams, extending in one length from the clamp under the upper deck nearly to the keelson.

From Farthest North Being the Record of a Voyage of Exploration of the Ship 'Fram' 1893-1896 Vol. I by Nansen, Fridtjof

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