Definition of pylon
1a
: 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
2a
chiefly British
: a tower for supporting either end of usually a number of wires over a long span
b
: any of various towerlike structures
3a
: 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
Test Your Vocabulary
Odd Habits and Quirks
-
- Which of the following best describes an easily irritated person?

Can you spell these 10 commonly misspelled words?
TAKE THE QUIZ
A daily challenge for crossword fanatics.
TAKE THE QUIZLove words? Need even more definitions?
Merriam-Webster unabridged
Share pylon
Time Traveler for pylon
The first known use of pylon was in 1817
See more words from the same year