- a bar of soft iron, mounted vertically beneath a compass to compensate for vertical magnetic currents.
Origin of Flinders bar
First recorded in 1880–85; named after M. Flinders
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- nautical a bar of soft iron mounted on a binnacle to compensate for local magnetism causing error to the compass
C19: named after Matthew Flinders (died 1814), English navigator