Flinders bar

American

noun

Navigation.

a bar of soft iron, mounted vertically beneath a compass to compensate for vertical magnetic currents.

Flinders bar British

/ ˈflɪndəz /

noun

nautical a bar of soft iron mounted on a binnacle to compensate for local magnetism causing error to the compass

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of Flinders bar

First recorded in 1880–85; named after M. Flinders

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023