Webster's Revised Unabridged Dictionary · 1913

magnetic compass

magnetic compass , noun

An device using a magnet (such as a magnetic needle) to indicate the direction of magnetic north.

Text from the public-domain GNU Collaborative International Dictionary of English, derived from Webster's Revised Unabridged Dictionary (1913). Definitions marked with were added by later GCIDE contributors and are not in the original 1913 edition.

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