semaphore flag
noun1
A flag used in semaphore. At sea, the flags are colored red and yellow (the Oscar flags), while on land, they are white and blue (the Papa flags).
Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.
noun
A flag used in semaphore. At sea, the flags are colored red and yellow (the Oscar flags), while on land, they are white and blue (the Papa flags).
Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.
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