keelson

2 definitions found

keelson - Collaborative International Dictionary of English v.0.48 :

  Keelson \Keel"son\, n. [Akin to Sw. k["o]lsvin, Dan.
     kj["o]lsviin, G. kielschwein; apparently compounded of the
     words keel and swine; but cf. Norweg. kj["o]lsvill, where
     svill is akin to E. sill, n. ] (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.
     [1913 Webster]
  
     Cross keelson, a similar structure lying athwart the main
        keelson, to support the engines and boilers.
        [1913 Webster]

keelson - WordNet (r) 2.1 (2005) :

  keelson
      n 1: a longitudinal beam connected to the keel of ship to
           strengthen it