rule of the road
noun Nautical.
any of the regulations concerning the safe handling of vessels under way with respect to one another, imposed by a government on ships in its own waters or upon its own ships on the high seas.
Nearby words
rule of bigeminy, rule of eleven, rule of engagement, rule of law, rule of outlet, rule of the road, rule of three, rule of thumb, rule out, rule the roost, ruled surface
Origin of rule of the road
First recorded in 1870–75
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019