brakepipe

English

Alternative forms

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.

Synonyms

  • train line, trainline
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