a common law or statutory right granted to a vehicle, as an airplane or boat, to proceed ahead of another.

a path or route that may lawfully be used.

a right of passage, as over another's land.

the strip of land acquired for use by a railroad for tracks.

land covered by a public road.

land over which a power line passes.

Fencing . the right to attack or continue an attack, and thus to be credited with a hit, by virtue of having first extended the sword arm or having parried the opponent's attack.

noun

antecedence , precedency , priority