big rig

noun

plural big rigs
US
: a large truck with an attached trailer that is used for hauling freight : semitrailer sense 2
A father and grandfather, Brubaker worked behind the wheel of a big rig for over a decade before transferring to a supervisory role.Deirdre Reilly
He formerly drove a big rig for a freight company.Jim Kleinpeter

Examples of big rig in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
The big rig struck a guardrail and overturned, blocking both westbound lanes. Sacbee.com, 23 June 2026 Exactly what led up to the crash is unclear, but the big rig ended up on its side, blocking both westbound lanes of I-80. Cecilio Padilla, CBS News, 23 June 2026 But labor unions and safety experts warn driverless big rigs could threaten jobs and public safety. Los Angeles Times, 21 June 2026 The big rig is in the southbound lanes near the Mallard Creek Church Road exit, Medic confirmed on social media. Joe Marusak, Charlotte Observer, 13 June 2026 See All Example Sentences for big rig

Word History

First Known Use

1946, in the meaning defined above

Time Traveler
The first known use of big rig was in 1946

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Cite this Entry

“Big rig.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/big%20rig. Accessed 6 Jul. 2026.

Kids Definition

big rig

noun
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