18-wheeler

noun
18-wheel·​er | \ ˌā(t)-(ˌ)tēn-ˈwē-lər How to pronounce 18-wheeler (audio) \
variants: or eighteen-wheeler

Definition of 18-wheeler

: a trucking rig consisting of a tractor and a trailer and typically having eighteen wheels

First Known Use of 18-wheeler

1934, in the meaning defined above

Learn More About 18-wheeler

Time Traveler for 18-wheeler

Time Traveler

The first known use of 18-wheeler was in 1934

See more words from the same year

Dictionary Entries Near 18-wheeler

16′ stop

18-wheeler

1 ¹/₃′ pitch

See More Nearby Entries 

Statistics for 18-wheeler

Cite this Entry

“18-wheeler.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/18-wheeler. Accessed 29 Sep. 2022.

Style: MLA
MLACheck Mark Icon ChicagoCheck Mark Icon APACheck Mark Icon Merriam-WebsterCheck Mark Icon

WORD OF THE DAY

Test Your Vocabulary

Challenging Words You Should Know

  • hedgehog reading a book
  • Often used to describe “the march of time,” what does inexorable mean?
True or False

Test your knowledge - and maybe learn something along the way.

TAKE THE QUIZ
Universal Daily Crossword

A daily challenge for crossword fanatics.

TAKE THE QUIZ
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!