■ noun
1》 (also electricity ~ ) a tall tower-like structure for carrying electricity cables.
↘a tower or post marking a path for light aircraft, cars, etc., especially in racing.
2》 a structure on the wing of an aircraft supporting an engine or weapon.
3》 N. Amer. a plastic cone used to mark areas of roads.
4》 a monumental gateway to an ancient Egyptian temple, formed by two truncated pyramidal towers.
Origin
C19: from Gk pulōn , from pulē 'gate'.