# semi rig

> English word · Noun

## Definitions
1. A tractor-trailer
2. A semi-tractor, the tractor unit on an articulated truck

## Etymology
Blend of semi truck + big rig.

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