: a longitudinal structure running above and fastened to the keel of a ship in order to stiffen and strengthen its framework
Word History
Etymology
Middle English kelswayn, probably of Scandinavian origin; akin to Swedish kölsvin keelson
First Known Use
13th century, in the meaning defined above
Time Traveler
The first known use of keelson was
in the 13th century
Dictionary Entries Near keelson
Cite this Entry
“Keelson.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/keelson. Accessed 29 Sep. 2023.
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