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Webster 1913 Edition

Keelson

Keel′son

,
Noun.
[Akin to Sw.
kölsvin
, Dan.
kjölsviin
, G.
kielschwein
; apparently compounded of the words
keel
and
swine
; but cf. Norweg.
kjölsvill
, where
svill
is akin to E.
sill
,
Noun.
]
(Shipbuilding)
A piece of timber in a ship laid on the middle of the floor timbers over the keel, and binding the floor timbers to the keel; in iron vessels, a structure of plates, situated like the keelson of a timber ship.
Cross keelson
,
a similar structure lying athwart the main keelson, to support the engines and boilers.

Webster 1828 Edition

Keelson

KEELSON

,
Noun.
kel'son. A piece of timber in a ship, laid on the middle of the floor timbers over the keel, fastened with long bolts and clinched, and thus binding the floor timbers to the keel.

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