detector bar

noun

A bar, connected with a switch, longer than the distance between any two consecutive wheels of a train, laid inside a rail and operated by the wheels so that the switch cannot be thrown until the entire train has passed the switch.

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Meanings

noundetector bar (plural detector bars)

plural detector bars

  1. railwaysA bar, connected with a switch, longer than the distance between any two consecutive wheels of a train, laid inside a rail and operated by the wheels so that the switch cannot be thrown until the entire train has passed the switch.
Cite this entry
APA

detector bar. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/detector%20bar

MLA

“detector bar.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/detector%20bar. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “detector bar,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/detector%20bar.

Source: detector bar on Wiktionary, CC BY-SA 4.0.