Water line
Water line Wa"ter line` 1. (Shipbuilding) Any one of certain lines of a vessel, model, or plan, parallel with the surface of the water at various heights from the keel. [1913 Webster]

Note: In a half-breadth plan, the water lines are outward curves showing the horizontal form of the ship at their several heights; in a sheer plan, they are projected as straight horizontal lines. [1913 Webster]

2. (Naut.) Any one of several lines marked upon the outside of a vessel, corresponding with the surface of the water when she is afloat on an even keel. The lowest line indicates the vessel's proper submergence when not loaded, and is called the {light water line}; the highest, called the {load water line}, indicates her proper submergence when loaded. [1913 Webster]

{Water-line model} (Shipbuilding), a model of a vessel formed of boards which are shaped according to the water lines as shown in the plans and laid upon each other to form a solid model. [1913 Webster]


The Collaborative International Dictionary of English. 2000.

Look at other dictionaries:

  • Water line — Line Line, n. [OE. line, AS. l[=i]ne cable, hawser, prob. from L. linea a linen thread, string, line, fr. linum flax, thread, linen, cable; but the English word was influenced by F. ligne line, from the same L. word linea. See {Linen}.] 1. A… …   The Collaborative International Dictionary of English

  • water line — noun 1. a line corresponding to the surface of the water when the vessel is afloat on an even keel; often painted on the hull of a ship (Freq. 1) • Syn: ↑waterline, ↑water level • Hypernyms: ↑line • Hyponyms: ↑load line, ↑ …   Useful english dictionary

  • water line — 1. Naut. the part of the outside of a ship s hull that is just at the water level. 2. Naval Archit. any of a series of lines on the hull plans of a vessel representing the level to which the vessel is immersed or the bottom of the keel. Cf. load… …   Universalium

  • water line — wa′ter line or wa′ter•line n. 1) naut. the part of the outside of a ship s hull that is just at the water level 2) naut. any of a series of lines on the hull plans of a vessel representing the level to which it is immersed or the bottom of the… …   From formal English to slang

  • water line — n. line indicating how high water has reached on the side of a ship; waterlevel, watermark …   English contemporary dictionary

  • water line — noun a) the outline of a horizontal section of a vessel, as when floating in the water. b) Any one of certain lines of a vessel, model, or plan, parallel with the surface of the water at various heights from the keel. In a half breadth plan, the… …   Wiktionary

  • water line — the juncture of sea and land, varying with the tide …   Dictionary of ichthyology

  • water line — see waterline …   English dictionary

  • water-line — …   Useful english dictionary

  • Water-line model — Water line Wa ter line 1. (Shipbuilding) Any one of certain lines of a vessel, model, or plan, parallel with the surface of the water at various heights from the keel. [1913 Webster] Note: In a half breadth plan, the water lines are outward… …   The Collaborative International Dictionary of English

Share the article and excerpts

Direct link
Do a right-click on the link above
and select “Copy Link”