rule of the road

Definition of rule of the road

  1. :  a customary practice (such as driving always on a particular side of the road or yielding the right of way) developed in the interest of safety and often subsequently reinforced by law; especially :  any of the rules making up a code governing ships in matters relating to mutual safety

1798

First Known Use of rule of the road

1798

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not embarrassed or apologetic

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