Pylon

Noun

1. A gateway to the inner part of an Ancient Egyptian temple.
2. A tower-like structure, usually one of a series, used to support high-voltage electricity cables.
3. A tall steel or concrete tower from which cables are strung.
4. A lighting mast; a freestanding support for floodlights.
5. A structure used to mount engines, missiles etc., to the underside of an aircraft wing or fuselage.