keelson(redirected from keelsons)
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a longitudinal beam fastened to the keel of a vessel for strength and stiffness
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005
A structure of timbers or steel beams which are bolted to the top of a keel to increase its strength. Also spelled kelson.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.