noun
Meaning 1
A vertical soft iron bar placed in a tube typically on the fore side of a compass binnacle, used to counteract the horizontal effect of vertical magnetism induced by the Earth's magnetic field in the steel of a ship, an effect which varies with latitude.
Definition source: English Wiktionary via Wiktextract
Topics: nautical, transport
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided