lubber line

lubber line
noun
a fixed line on a ship's compass indicating its heading
Hypernyms: ↑reference point, ↑point of reference, ↑reference

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noun also lubber's line or lubber mark or lubber's point
: a fixed line on the compass or other directional indicator of a ship or airplane that is aligned with the longitudinal axis of the ship or plane

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lubber line or lubber's line noun (nautical)
A line on the compass bowl marking the position of the ship's head
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Main Entry:lubber

Useful english dictionary. 2012.

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Look at other dictionaries:

  • Lubber line — A lubber line is a fixed line displayed on a compass binnacle or radar plan position indicator display pointing towards the front of the ship or aircraft and corresponding to the craft s centreline.The line represents 0 degrees and is therefore… …   Wikipedia

  • lubber line — The reference line of a magnetic compass, directional gyro, or cathode ray tube to indicate the nose of the aircraft. The heading is shown on the card or dial opposite the lubber line …   Aviation dictionary

  • lubber line — noun Date: 1858 a fixed line on the compass of a ship or airplane that is aligned with the longitudinal axis of the vehicle …   New Collegiate Dictionary

  • lubber line — noun a line on a compass, showing the direction straight ahead …   English new terms dictionary

  • lubber line — /ˈlʌbə laɪn/ (say lubuh luyn) noun a datum line on an instrument, as a compass, radar screen, etc., which represents the fore and aft axis of the aircraft, ship, etc., and from which navigational bearings are taken …  

  • lubber's line — n. a fixed mark or line on a compass, aligned with the bow of a ship (or aircraft) and used as by the helmsman in steering a course: also lubber line …   English World dictionary

  • lubber's point — noun a fixed line on a ship s compass indicating its heading • Syn: ↑lubber s line, ↑lubber line, ↑lubber s mark • Hypernyms: ↑reference point, ↑point of reference, ↑reference * * * noun …   Useful english dictionary

  • lubber's mark — noun a fixed line on a ship s compass indicating its heading • Syn: ↑lubber s line, ↑lubber line, ↑lubber s point • Hypernyms: ↑reference point, ↑point of reference, ↑reference * * * …   Useful english dictionary

  • lubber's line — Navig. a vertical line on the forward inner side of the bowl of a fixed compass, used as a reference mark indicating the heading of a vessel. Also, lubber line. Also called lubber s mark, lubber s point. [1855 65] * * * …   Universalium

  • lubber's line — noun a fixed line on a ship s compass indicating its heading • Syn: ↑lubber line, ↑lubber s mark, ↑lubber s point • Hypernyms: ↑reference point, ↑point of reference, ↑reference …   Useful english dictionary

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