big rig

noun

Definition of big rig

US
: a large truck with an attached trailer that is used for hauling freight : semitrailer
  • Five blocks of loading docks are packed with big rigs wheel to wheel, and through the night, buyers haggle … as forklifts tote tons of fruit and vegetables in and out of the warehouses.
  • —Jane and Michael SternGourmetSeptember 2000
  • … your windshield has been broken at least once, by one of the rocks flying out from under the big rigs.
  • —Nancy GibbsTime11 June 2001

There's more!

Love words? You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary.

Start your free trial today and get unlimited access to America's largest dictionary, with:

  • More than 250,000 words that aren't in our free dictionary
  • Expanded definitions, etymologies, and usage notes
  • Advanced search features
  • Ad free!
Already a subscriber? Log in.

First Known Use of big rig

1946

in the meaning defined above

See Words from the same year
NEW! Time Traveler

Seen and Heard

What made you want to look up big rig? Please tell us where you read or heard it (including the quote, if possible).

Love words? Need even more definitions?

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

WORD OF THE DAY

unwilling or reluctant

Get Word of the Day daily email!

Test Your Vocabulary

Odd Habits and Quirks Quiz

  • image1926873504
  • Which of the following best describes an easily irritated person?
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
Bee Cubed

Test Your Knowledge - and learn some interesting things along the way.

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!