keelson

[kel-suhn, keel-]
noun Nautical.
any of various fore-and-aft structural members lying above or parallel to the keel in the bottom of a hull.
Also, kelson.


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

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keelson or kelson (ˈkɛlsən, ˈkiːl-)
 
n
a longitudinal beam fastened to the keel of a vessel for strength and stiffness
 
[C17: probably from Low German kielswin, keel swine, ultimately of Scandinavian origin]
 
kelson or kelson
 
n
 
[C17: probably from Low German kielswin, keel swine, ultimately of Scandinavian origin]

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Example sentences
Two side keelsons, parallel to the center keelson, support the deck.
All our material from truck to keelson was on shore, and was yet to be boated off through a dangerous surf.
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