lubber line

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lubber line

also lub·ber's line  (lŭb′ərz)
n.
A line or mark on a compass that is aligned with the central axis of a moving body, especially a ship or aircraft, and represents the heading.

lubber line

n
(Nautical Terms) a mark on a ship's compass that designates the fore-and-aft axis of the vessel. Also called: lubber's line
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.lubber line - a fixed line on a ship's compass indicating its heading
point of reference, reference point, reference - an indicator that orients you generally; "it is used as a reference for comparing the heating and the electrical energy involved"
References in periodicals archive ?
Vibrations during ultrasonic welding of capsule halves were shaking loose the tiny brass rods, called lubber lines, along which mariners make their sightings.
To surmount that obstacle, Ritchie's engineers added sleeves to the assembly machine that slide over the lubber lines.
Talking to engineers at Dallas-based Deejay Industries, Ritchie's engineers decided to try the screw-machine specialists' suggestion of knurling the end of each lubber line.