- any of various fore-and-aft structural members lying above or parallel to the keel in the bottom of a hull.
Origin of keelson
Examples from the Web for keelson
A sudden shift of the rudder shook the Vulcan from peak to keelson.The Cruise of the Dry Dock
T. S. Stribling
I was driving bolts in the hold, through the keelson, with Hays.My Bondage and My Freedom
The keelson was an old invention and shelf-pieces and waterways were soon in vogue.All Afloat
The principal keel, as distinguished from the false-keel and the keelson.The Sailor's Word-Book
William Henry Smyth
From truck to keelson there was no part of her imperfect; from stem to stern.The Wind Bloweth
Brian Oswald Donn-Byrne
- a longitudinal beam fastened to the keel of a vessel for strength and stiffness
Word Origin and History for keelson
also kelson, 1620s, altered (by influence of keel (n.)) from Middle English kelsyng (late 13c.), which probably is of Scandinavian origin (cf. Swedish kölsvin, Danish and Norwegian kjølsvin, from root of Old Norse kjölr (see keel (n.)) + swin "swine," used of timber (see swine). Or else from a similar Low German source.