relay room

noun

A room in a railway signalling installation where relays for operating signals and points or switches are housed.

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Meanings

nounrelay room (plural relay rooms)

plural relay rooms

  1. rail transportA room in a railway signalling installation where relays for operating signals and points or switches are housed.

    It also installed new control panels at Kingmoor Signal Box and a new operating system in the relay room.

    2026 January 21, Richard Wilcock, “Network Rail completes £200 million West Coast Main Line upgrades”, in RAIL, number 1053, page 10
    1 more example

    The hump cabin and its relay room are at the summit of the hump on the right-hand side, and the control tower is on the centre line of the yard between the primary and secondary retarders.

    1959 July 29, “Temple Mills Marshalling Yard”, in Railway Magazine, page 492
Cite this entry
APA

relay room. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/relay%20room

MLA

“relay room.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/relay%20room. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “relay room,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/relay%20room.

Source: relay room on Wiktionary, CC BY-SA 4.0.