1As part of an early type of electrical traction system, being the point of contact and circuit completion (via a magnet on the tram carriage) with an electric cable buried in the road.
2To demarcate traffic lanes, etc.
Origin
Late 19th century; earliest use found in The Leeds Mercury.
Definition of road stud in US English:
road stud
noun
1As part of an early type of electrical traction system, being the point of contact and circuit completion (via a magnet on the tram carriage) with an electric cable buried in the road.
2To demarcate traffic lanes, etc.
Origin
Late 19th century; earliest use found in The Leeds Mercury.