semitrailer
noun
semi·trail·er
ˈse-ˌmī-ˌtrā-lər 
ˈse-mē-,
-mi-
plural semitrailers
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
called also big rig
Examples of semitrailer in a Sentence
Recent Examples on the Web
According to an investigation and witness statements, a semitrailer in the middle lane collided with a pickup truck causing a reaction collision and traffic congestion.
—
Marina Johnson, The Courier-Journal, 13 Aug. 2024
The agency had learned about a semitrailer coming across the Mexican border and agents tracked the drugs to the farmers market, said DEA Special Agent in Charge Robert Murphy.
—CBS News, 13 Aug. 2024
Interstate 41/Highway 45 northbound at West Burleigh Street is closed Monday night following the rollover of a semitrailer.
—Drake Bentley, Journal Sentinel, 22 July 2024
The road is expected to open to all traffic, including semitrailers weighing up to 60,000 pounds, but will be signed with a 20 mph speed limit through the detour.
—Angus M. Thuermer Jr., Idaho Statesman, 26 June 2024
See all Example Sentences for semitrailer 
Marina Johnson, The Courier-Journal, 13 Aug. 2024
The agency had learned about a semitrailer coming across the Mexican border and agents tracked the drugs to the farmers market, said DEA Special Agent in Charge Robert Murphy.
—CBS News, 13 Aug. 2024
Interstate 41/Highway 45 northbound at West Burleigh Street is closed Monday night following the rollover of a semitrailer.
—Drake Bentley, Journal Sentinel, 22 July 2024
The road is expected to open to all traffic, including semitrailers weighing up to 60,000 pounds, but will be signed with a 20 mph speed limit through the detour.
—Angus M. Thuermer Jr., Idaho Statesman, 26 June 2024
See all Example Sentences for semitrailer
These examples are programmatically compiled from various online sources to illustrate current usage of the word 'semitrailer.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
Dictionary Entries Near semitrailer
Cite this Entry
“Semitrailer.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/semitrailer. Accessed 2 Oct. 2024.
Copy CitationKids Definition
semitrailer
noun
semi·trail·er
ˈsem-i-ˌtrā-lər
ˈsem-ˌī-
1
: a freight trailer that when attached is supported at its forward end by the truck tractor
2
: a trucking rig made up of a tractor and a semitrailer
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