# tractor unit

> English word · Noun

## Definitions
1. a large road vehicle, usually consisting of a two or three-axled chassis, and fitted with a cab, engine and drivetrain, used for hauling semitrailers.

## Etymology
From tractor + unit.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/tractor-unit