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
Example Sentences
Recent Examples on the Web The press conference comes on the heels of 53 migrants being found dead in the back of a semitrailer. 
San Antonio Express-News, 29 June 2022 After days of preparation and donations to cover funeral costs, this mountain community in eastern Mexico on Thursday mourned the return of three teens, all cousins, lost among the 53 migrants who died inside a semitrailer in San Antonio, Texas. FÉlix MÁrquez, ajc, 14 July 2022 After days of preparation and donations to cover funeral costs, this mountain community in eastern Mexico on Thursday mourned the return of three teens, all cousins, lost among the 53 migrants who died inside a semitrailer in San Antonio, Texas. Félix Márquez, USA TODAY, 14 July 2022 The Lake County coroner Tuesday identified an elderly man killed last week when his vehicle collided with a semitrailer in North Chicago. Clifford Ward, chicagotribune.com, 21 Dec. 2021 The semitrailer was turning left from the turn lane of northbound Ronald Reagan Parkway onto westbound Airtech Parkway, according to police. Jake Allen, The Indianapolis Star, 11 May 2022 The bees stung several people, including the semitrailer's driver, first responders and others. Landon Mion, Fox News, 3 July 2022 Hours later came the horrific discovery of the semitrailer abandoned beside railroad tracks on the outskirts of that south Texas city. Christopher Sherman, BostonGlobe.com, 1 July 2022 Harnett County sheriff’s deputies reported finding more than 120 gallons of liquid meth in the semitrailer the men were driving. Adam Ferrise, cleveland, 3 May 2022 See More
San Antonio Express-News, 29 June 2022 After days of preparation and donations to cover funeral costs, this mountain community in eastern Mexico on Thursday mourned the return of three teens, all cousins, lost among the 53 migrants who died inside a semitrailer in San Antonio, Texas. FÉlix MÁrquez, ajc, 14 July 2022 After days of preparation and donations to cover funeral costs, this mountain community in eastern Mexico on Thursday mourned the return of three teens, all cousins, lost among the 53 migrants who died inside a semitrailer in San Antonio, Texas. Félix Márquez, USA TODAY, 14 July 2022 The Lake County coroner Tuesday identified an elderly man killed last week when his vehicle collided with a semitrailer in North Chicago. Clifford Ward, chicagotribune.com, 21 Dec. 2021 The semitrailer was turning left from the turn lane of northbound Ronald Reagan Parkway onto westbound Airtech Parkway, according to police. Jake Allen, The Indianapolis Star, 11 May 2022 The bees stung several people, including the semitrailer's driver, first responders and others. Landon Mion, Fox News, 3 July 2022 Hours later came the horrific discovery of the semitrailer abandoned beside railroad tracks on the outskirts of that south Texas city. Christopher Sherman, BostonGlobe.com, 1 July 2022 Harnett County sheriff’s deputies reported finding more than 120 gallons of liquid meth in the semitrailer the men were driving. Adam Ferrise, cleveland, 3 May 2022 See More Word History
First Known Use
1912, in the meaning defined at sense 1