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trainline

American  
[treyn-lahyn] / ˈtreɪnˌlaɪn /

noun

  1. a pipe or hose distributing compressed air through a train for operation of the brakes.

Etymology

Origin of trainline

train + line 1

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Several trainline have been disrupted, with National Rail warning delays and cancellations are expected over the weekend.

From BBC • Nov. 14, 2025

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.