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keelson

noun
keel·​son | \ ˈkel-sən How to pronounce keelson (audio) , ˈkēl- How to pronounce keelson (audio) \

Definition of keelson

: a longitudinal structure running above and fastened to the keel of a ship in order to stiffen and strengthen its framework

First Known Use of keelson

13th century, in the meaning defined above

History and Etymology for keelson

Middle English kelswayn, probably of Scandinavian origin; akin to Swedish kölsvin keelson

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The first known use of keelson was in the 13th century

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