plane sailing

noun

, Navigation.

1. sailing on a course plotted without reference to the curvature of the earth.

plane sailing

noun

1. nautical navigation without reference to the earth's curvature Compare plain sailing

Word History and Origins

Origin of plane sailing¹

First recorded in 1690–1700

Example Sentences

Plane-sailing is so simple that it is colloquially used to express anything so easy that it is impossible to make a mistake.

From Project Gutenberg

It was in great use among the French navigators, from its solving the problems of plane sailing.

From Project Gutenberg

All is not plane sailing yet for the German in search of foreign markets.

From Project Gutenberg