| 释义 | 
		Definition of keelson in English: keelson(also kelson) nounˈkiːls(ə)nˈkilsən A structure running the length of a ship and fastening the timbers or plates of the floor to its keel. 内龙骨 Example sentencesExamples -  When we found she could sail in stronger winds, we fitted a stronger mast and rigging and, later, a keelson, an internal timber spanning three frames.
 -  ‘A few short ribs at the bow and stern will be fitted later when the new keelson is in place,’ said John Steer, one of the committee members.
 -  There was no central keel in the hull, but a large extruded central keelson was used.
 -  One of the main uses we have made of it is for the keelson which required a piece of wood 6.7m in length.
 -  The ribs would have been treated with steam so that they could be bent sharply over the keelson.
 
 
 OriginMiddle English kelswayn, related to Low German kielswīn, from kiel 'keel of a ship' + swīn 'swine' (used as the name of a timber).    Definition of keelson in US English: keelson(also kelson) nounˈkēlsənˈkilsən A centerline structure running the length of a ship and fastening the transverse members of the floor to the keel below. 内龙骨 Example sentencesExamples -  The ribs would have been treated with steam so that they could be bent sharply over the keelson.
 -  There was no central keel in the hull, but a large extruded central keelson was used.
 -  One of the main uses we have made of it is for the keelson which required a piece of wood 6.7m in length.
 -  ‘A few short ribs at the bow and stern will be fitted later when the new keelson is in place,’ said John Steer, one of the committee members.
 -  When we found she could sail in stronger winds, we fitted a stronger mast and rigging and, later, a keelson, an internal timber spanning three frames.
 
 
 OriginMiddle English kelswayn, related to Low German kielswīn, from kiel ‘keel of a ship’ + swīn ‘swine’ (used as the name of a timber).     |