buffer up

English

Verb

buffer up (third-person singular simple present buffers up, present participle buffering up, simple past and past participle buffered up)

1. (rail transport, transitive) To move (a rail vehicle) so that its buffers are touching the buffers of another rail vehicle.
   • 1964 November, “The Electrification of BR: 5 The Southern's Bournemouth scheme”, in Modern Railways, page 321:

     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.