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Showing results for "lubber line"

lubber line

British  

noun

  1. Also called: lubber's line.  a mark on a ship's compass that designates the fore-and-aft axis of the vessel

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

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We found the lubber line particularly clear for night use.

From Time Magazine Archive

At night, the battery light was even, with little flaring, but the thin lubber line was hard to resolve.

From Time Magazine Archive

The compass is well lit in daylight, stabilizes quickly and is easy to read, although the range-finding lines and lubber line are quite thin, making them hard to see in poor light.

From Time Magazine Archive

Dick couldn't see them or the compass lubber line; he had to guess a bearing from the center of the picture.

From Time Magazine Archive

In other words, if the ship is heading NW, the pelorus must be set with the NW point on the lubber line when the bearing is taken of any object.

From Lectures in Navigation by Draper, Ernest Gallaudet

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