Langimage
English

semi-trailer

|sem/i-trail/er|

B2

🇺🇸

/ˈsɛmi ˌtreɪlər/

🇬🇧

/ˈsɛmi ˌtreɪlə/

half-supported trailer

Etymology
Etymology Information

'semi-trailer' originates from the combination of 'semi-' meaning 'half' and 'trailer,' referring to a vehicle that is towed.

Historical Evolution

The term 'semi-trailer' evolved from the concept of a 'trailer' that is only partially supported by its own wheels, with the front end supported by the towing vehicle.

Meaning Changes

Initially, it referred to any trailer, but now specifically denotes a trailer without a front axle.

Meanings by Part of Speech

Noun 1

a type of trailer without a front axle, designed to be attached to a tractor unit, truck, or prime mover.

The semi-trailer was loaded with goods for delivery.

Synonyms

Last updated: 2025/02/10 16:51