brakepipe

English

Alternative forms

• brake pipe

Etymology

From brake +‎ pipe.

Noun

brakepipe (plural brakepipes)

1. (rail transport, mechanical engineering) A continuous pipe or hose filled with high-pressure air and running the length of a train, used to recharge the train's brake reservoirs with compressed air and to control the train's air brakes through changes in its internal air pressure.

Components of air brake system under a freight car (goods wagon)

Synonyms

• train line, trainline