# semi-trailer

> English word · Noun

## Definitions
1. A trailer without front axle and with wheels only at the trailing end, designed to be pulled via a pivoting arrangement which also partially supports its weight.
2. Ellipsis of semi-trailer truck (“a tractor-trailer or big rig, consisting of a semi-trailer and a semitruck pulling it”).

## Etymology
From semi- + trailer.

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