plane sailing
"Plane sailing" is an old navigation technique that simplifies calculations by assuming the Earth is flat.
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Definition
C1Nautical Navigation
(technical, historical)A method of navigation where the Earth's curvature is ignored, and calculations are made using basic geometry.
Example
- In the age of exploration, plane sailing was commonly used for charting courses across the seas.
B2General
(informal)A process or task that is simple and straightforward.
Example
- After weeks of difficult negotiations, the final agreement was plane sailing.
Similar
Terms that have similar or relatively close meanings to "plane sailing":
plain sailingunder sailpleasure cruisemake sailsailing vesselsteady hand on the tillerwithout a hitchfull sailbreeze pastsmooth as silkeven keelunder waydirect flight