bn:00052229n
Noun Concept
Categories: Geography terminology stubs, Navigational equipment, Navigation, Radar
EN
lubber's line  lubber line  lubber's mark  lubber's point
EN
A fixed line on a ship's compass indicating its heading WordNet 3.0
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EN
A fixed line on a ship's compass indicating its heading WordNet 3.0 & Open English WordNet
A lubber line, also known as a lubber's line, is a fixed line 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 centerline. Wikipedia
Navigational term for a fixed line pointing to the ship's bow or aircraft's nose Wikipedia Disambiguation
A fixed line on a compass corresponding to the direction of movement. Wiktionary
WordNet 3.0 & Open English WordNet
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