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18-wheel•er or eighteen-wheel•er

(ˈeɪ tinˈʰwi lər, -wi-)
a tractor-trailer equipped with eighteen wheels.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
References in periodicals archive ?
An 18-wheeler truck transporting over 600 bars of steel lurched sideways instantly killing the truck assistant in Nasugbu, Batangas, Saturday, July 6.
Friedman added, "The system's capabilities are limited if it can't detect the broad side of an 18-wheeler or keep the driver engaged-and yet Tesla allows it to operate where it needs to do both." [Reference Link]:[https://www.consumerreports.org/car-safety/tesla-driver-in-fatal-march-crash-was-using-autopilot-ntsb-says/]
An 18-wheeler truck fell on its side Wednesday afternoon while approaching the Valenzuela Exit of the North Luzon Expressway (NLEX).
Osaretin, accompanied by his cousin, Esosa, in his car, around 3:00 am on Saturday, February 16, in Houston, Texas, ran into an 18-wheeler vehicle, and both of them died in auto crash.
The world in pictures with Daily Post Head of Images Hadyn Iball | Arkansas highway Interstate 30 was shut down in both directions after an 18-wheeler was sliced open during an crash and spilled frozen pizzas across the road | A woman carrying her child runs for safety as protesters in support of Kenyan opposition leader and presidential candidate Raila Odinga, engage in running battles with the police, in Kawangware area, Nairobi, yesterday.
The advert, which sits on the back of an 18-wheeler, spent the entire day circling Kildare Street and Merrion Square.
Teenagers from Los Angeles schools, who were on a day trip to a university, leapt from the burning wreckage after an 18-wheeler FedEx truck smashed into it head-on.
TRUCKERS (9pm BBC1) THE course of true love never did run smooth, even when you're driving an 18-wheeler, and tonight it's Glen's turn to hit the rumble strip of romance.
Allegedly, Martinez stopped at an inspection site to fill out paperwork, leaving Hartline alone in his 18-wheeler. Hartline then stole the truck, causing a multiple vehicle accident and several injuries, Baer told CNN.
London, September 21 ( ANI ): Commercial charbroilers like the ones used in fast food restaurants are doing more harm to the air quality than an 18-wheeler, a new study has found.
That said, sometimes Big Larry from Pontefract worrying if he's going to be able to re-tax his 18-wheeler in time to shift several tonnes of frozen fishfingers to Southend is all the drama one really needs.
Ice Road Truckers (8.00pm) Lisa Kelly follows veteran trucker Jack Jesse south down the Dalton Highway, but struggles to find a passing spot while trying to give way to an 18-wheeler heading in the opposite direction.