semi·​trail·​er | \ ˈse-ˌmī-ˌtrā-lər How to pronounce semitrailer (audio) , ˈse-mē-, -mi-\

Definition of semitrailer

1 : a freight trailer that when attached is supported at its forward end by the fifth wheel device of the truck tractor
2 : a trucking rig made up of a tractor and a semitrailer

Examples of semitrailer in a Sentence

Recent Examples on the Web

In Wisconsin, where the unemployment rate was 2.9% in July, about 20 current inmates build semitrailers for Stoughton Trailers LLC through a state work-release program to hire prisoners. Kris Maher, WSJ, "In Tight Labor Market, Inmates Learn to Code," 28 Aug. 2018 The semitrailer hauling cement dust was hit once in its trailer. Brady Mccombs, Fox News, "Shot hits Utah bus with passengers aboard, no one hurt," 27 Aug. 2018 The strictly manual transmission is disappearing from the cabs of semitrailer trucks — and the strong economy is one reason why. Adam Belz, The Seattle Times, "Semis, the last bastion of stick shifts, are going automated," 10 Sep. 2018 The driver of the semitrailer, Michael Puryear, 58, of South Carolina, tried to avoid Rodrick’s car but a collision occurred, ultimately causing the truck to roll on its side and slide across the median into the westbound lanes. Amy Lavalley, Post-Tribune, "Four injured in two Porter County crashes," 11 May 2018 Perry found that many of the roads semitrailers would have to travel are rural and not designed for heavy loads. Meg Jones, Milwaukee Journal Sentinel, "The Mississippi River lock and dam system is critical to the economy. But it's falling apart fast.," 1 June 2018 Joleen learned that her husband had been driving east on I-94 when pieces of a brake drum fell off a semitrailer truck. Meg Jones, Milwaukee Journal Sentinel, "Nightmare #1: Husband's death by flying debris on I-94. Nightmare #2: The investigation," 29 June 2018 An eastbound semitrailer truck loaded with apples and an SUV were slowing for the merging traffic when the truck struck the SUV and pushed it into another semi. John Sowell, idahostatesman, "Contractor herding traffic near fiery I-84 crash had safety plan. Here's what it said," 29 June 2018 The driver of a semitrailer truck that crashed and fell from a highway overpass Sunday in Kansas City, Kan., survived the wreck and was hospitalized in serious condition, according to the Kansas Highway Patrol. Ian Cummings, Joe Robertson, Robert A. Cronkleton And Tammy Ljungblad, kansascity, "'Miracle he's alive': Driver hospitalized after semi truck falls off overpass in KCK," 25 June 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'semitrailer.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of semitrailer

1919, in the meaning defined at sense 1

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Time Traveler for semitrailer

The first known use of semitrailer was in 1919

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English Language Learners Definition of semitrailer

: a long trailer that has wheels at the rear and is attached at its forward end to a large truck
: a large truck with a long trailer attached to the back of it

More from Merriam-Webster on semitrailer

Rhyming Dictionary: Words that rhyme with semitrailer Encyclopedia article about semitrailer

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using a distributed computer network

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