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

  1. rule of bigeminy,
  2. rule of eleven,
  3. rule of engagement,
  4. rule of law,
  5. rule of outlet,
  6. rule of three,
  7. rule of thumb,
  8. rule out,
  9. rule the roost,
  10. ruled surface

Origin of rule of the road

First recorded in 1870–75 Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019