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lateral system

American

noun

a system of coding navigational aids by shape, color, and number, according to the side of a channel they occupy and their relative position along that side.

Etymology

Origin of lateral system

First recorded in 1880–85

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.