cardinal system

noun

a system of coding navigational aids by shape, color, and number, according to their positions relative to navigational hazards.

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Nearby words

cardinal points, cardinal sign, cardinal sin, cardinal spider, cardinal symptom, cardinal system, cardinal tetra, cardinal trait, cardinal veins, cardinal virtue, cardinal virtues

Compare lateral system.

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019