block signal

noun

One of the danger signals or safety signals which guide the movement of trains in a block system, often coupled with a switch so that opening or closing the switch also operates the signal.

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Meanings

nounblock signal (plural block signals)

plural block signals

  1. railwaysOne of the danger signals or safety signals which guide the movement of trains in a block system, often coupled with a switch so that opening or closing the switch also operates the signal.
Cite this entry
APA

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

MLA

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

Chicago

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

Source: block signal on Wiktionary, CC BY-SA 4.0.