mariner’s compass

mariner’s compass Word Origin noun

1. a compass used for navigational purposes, consisting of a pivoted compass card in a gimbal-mounted, nonferrous metal bowl.
2. (initial capital letter) Astronomy. compass(def 8a).

Origin of mariner’s compass First recorded in 1620–30 Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019