from The Century Dictionary.

  • noun Nautical, the deckbeam under the forward side of the main-hatch, on which the official tonnage and number of the vessel are by the United States statute required to be marked. On river-steamers it is considered to be the beam under the after side of the starboard forward hatch.


Sorry, no etymologies found.


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  • Audi says the light units have designs that look like open pine cones, and that the shape of the internal reflectors of the main-beam headlights was inspired by the architecture of the Sydney Opera House.

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  • Held to the spot by this display of headgear you contemplate it in all its branches, -- main-beam, brow-tine, bes-tine, royal and surroyal, -- they are all beautifully named.

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  • You very well should be proud to be a Jew, for Jews are the main-beam of Western Culture and intellect.

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  • The Light for Life does have a rather tight beam, though; they say the main beam covers a spot about 22 inches in diameter at a range of 20 feet, which adds up to a main-beam width of only about 5.3 degrees.

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  • TPWD research has shown almost all Texas whitetail bucks grow antlers with a main-beam inside spread of 13 inches or more by the time they are 3 1/2 and older. Chronicle 2009


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