Definition of pylons:
(n) :
(electricity) A tower-like structure, usually one of a series, used to support high-voltage electricity cables.
(n) :
(architecture) A tall steel or concrete tower from which cables are strung.
(n) :
A lighting mast; a freestanding support for floodlights.
(n) :
A traffic cone.
(n) :
(American football) An orange marker designating one of the four corners of the end zone in American football.
(n) :
A gateway to the inner part of an Ancient Egyptian temple.