leading mark

[ lee-ding ]

noun

, Navigation.

1. either of two conspicuous objects regarded as points on a line leading line upon which a vessel can sail a safe course.

Word History and Origins

Origin of leading mark¹

First recorded in 1795–1805

Example Sentences

It's just a small light—a leading mark for the small craft going into the creek there for lime.

From Project Gutenberg

Because they formed a capital leading mark for the Strait of Magalhaens.

From Project Gutenberg