keelson Meaning, Definition & Usage

  1. noun a longitudinal beam connected to the keel of ship to strengthen it

WordNet

Keel"son noun
Etymology
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, n.
Definitions
  1. (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.

Webster 1913