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plane sailing

noun, Navigation
sailing on a course plotted without reference to the curvature of the earth.
Origin of plane sailing
1690-1700 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the Web for plane-sailing
Historical Examples
  • plane-sailing is so simple that it is colloquially used to express anything so easy that it is impossible to make a mistake.

    The Sailor's Word-Book William Henry Smyth
British Dictionary definitions for plane-sailing

plane sailing

(nautical) navigation without reference to the earth's curvature Compare plain sailing
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
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