banjo signal

noun

: a former railroad-signal apparatus having a circular box with a glass window in which a red disk appeared as the danger signal

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Dictionary Entries Near banjo signal

Cite this Entry

“Banjo signal.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/banjo%20signal. Accessed 19 Jul. 2024.

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