semitruck

American  

[sem-ee-truhk, sem-ahy-] / ˈsɛm iˌtrʌk, ˈsɛm aɪ- /

Or semi-truck

noun

1. tractor-trailer.

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Etymology

Origin of semitruck

First recorded in 1970–75; semi(trailer) + truck ¹

Example Sentences

Tesla has a 1 megawatt charging system External link that can provide 400 miles External link of range to its huge all-electric semitruck in about 30 minutes.

From Barron's • Mar. 6, 2026

Every time a semitruck passed by heading to or from the port, the driver would honk its horn in a quick gesture of acknowledgment and, one imagines, solidarity with the men and women inside.

From Slate • Sep. 19, 2025

Separately, the administration announced it will stop issuing work visas for commercial truck drivers, citing a fatal Florida highway crash involving an Indian national operating a semitruck.

From Salon • Aug. 22, 2025

A Tesla semitruck crashed into trees on Interstate 80 in Northern California and its electric battery caught fire, sending toxic fumes into the air.

From Los Angeles Times • Sep. 26, 2024

She could not hear anything but the sounds of her own breath, heart, and blood—all so loud that she wouldn’t have heard a semitruck behind her.

From "Breadcrumbs" by Anne Ursu