n.
a custom or law regulating the direction in which two vehicles (or riders or ships) should move ...
Oxford American Dictionary
n.
a custom or law regulating the direction in which two vehicles (or riders or ships) should move ...
Oxford Dictionary
ph.
examine cursorily for correctness or adequacy
Oxford Dictionary
ph.
the fact that some cases do not follow a rule proves that the rule applies in all other cases
Oxford Dictionary
ph.
the fact that some cases do not follow a rule proves that the rule applies in all other cases
Oxford American Dictionary
Oxford American Dictionary
Oxford Dictionary
ph.
follow what is generally held to be the correct line of behavior
Oxford American Dictionary