What does "brakepipe" mean?

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.

What is a synonym for "brakepipe"?

Common synonyms include: train line, trainline.

Brakepipe

noun

noun ·Rare ·Advanced level

Definitions

Noun

1
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

All synonyms

train line trainline

Etymology

From brake + pipe.

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.