position line

noun

, Navigation.

1. line of position.

Word History and Origins

Origin of position line¹

First recorded in 1860–65

Example Sentences

We therefore remained at eleven thousand feet until, at 7:20 A. M., I had definitely fixed the position line.

From Project Gutenberg

Such a small section of the Sumner circle is known as a "position line."

From Project Gutenberg