pylon

noun

py·​lon ˈpī-ˌlän 

-lən

1

a

: a usually massive gateway

b

: an ancient Egyptian gateway building in a truncated pyramidal form

c

: a monumental mass flanking an entranceway or an approach to a bridge

2

a

chiefly British : a tower for supporting either end of usually a number of wires over a long span

b

: any of various towerlike structures

3

a

: a post or tower marking a prescribed course of flight for an airplane

b

: traffic cone

c

: one of the flexible upright markers positioned on a football field at the corners of the end zone

4

: a rigid structure on the outside of an aircraft for supporting something (such as an engine or missile) see airplane illustration

Illustration of pylon

• pylon 1b

Examples of pylon in a Sentence

The bridge is supported by concrete pylons.

a row of electricity pylons

Recent Examples on the Web

On the back wall was a huge LED screen that covered the entire surface, and on the floor was similarly equipped free-standing pylons. — David Szondy july 23, New Atlas, 23 July 2026

The building appears to be still in the framing stage with workers making adjustments to the concrete pylons as cars zip past. — Harrison Mantas, Fort Worth Star-Telegram, 22 July 2026

The bearings are tucked deep inside near the pylons, so problems are hard to spot without removing each engine for detailed inspections. — ABC News, 1 July 2026

Sehgal, who wore a jacket and a quarter zip, took in the monument’s massive granite pylons, inscribed with the names and ranks of the more than four thousand Americans who never returned from the Atlantic during the Second World War. — Dan Greene, New Yorker, 29 June 2026

Word History

Etymology

Greek pylōn, from pylē gate

First Known Use

1817, in the meaning defined at sense 1a

Rhymes for pylon

• anton
• argon
• axon
• baronne
• baryon
• baton
• boron
• buisson
• bygone
• capon
• cardon
• chiffon

Kids Definition

pylon

noun

py·​lon ˈpī-ˌlän 

-lən

1

: a tower for supporting a long span of wire

also : any of various structures like a tower

2

: a post or tower marking a prescribed course of flight for an airplane

Medical Definition

pylon

noun

py·​lon ˈpī-ˌlän  -lən 

: a simple temporary artificial leg