buffer up

In real, traceable use. Part of the curated seed collection; community review is coming.

Meaning · English

To move (a rail vehicle) so that its buffers are touching the buffers of another rail vehicle.

Nghĩa · Tiếng Việt

Di chuyển toa xe lửa để các bộ đệm chạm vào nhau

Machine-translated — suggest a fix

Where it’s used: Used American English

Examples

The Type 3 will propel the unit on the return working to Bournemouth Central, where it will be buffered up to the remaining units for the journey back to Waterloo.

Usage example from English Wiktionary (CC BY-SA 4.0, retrieved 2026-07-30)

Sources & notes

Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-07-30 via kaikki.org).

Common questions

What does “buffer up” mean?

To move (a rail vehicle) so that its buffers are touching the buffers of another rail vehicle.

Is “buffer up” formal or informal?

No register label has been reviewed yet — treat it as neutral and check the usage notes above.