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

The bearings are tucked deep inside near the pylons, so problems are hard to spot without removing each engine for detailed inspections. —ABC News, 20 May 2026

Airport video shows the left engine and pylon separating from the wing during takeoff. —Matt Lavietes, NBC news, 19 May 2026

Against the scout team, Joly continuously beat the safety defending him to the front pylon. —Nick Kosmider, New York Times, 1 May 2026

Imagining an eternity of this, Creasy disables his car’s braking system and drives into a concrete pylon. —Daniel Fienberg, HollywoodReporter, 30 Apr. 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