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quarantine flag
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noun Nautical.
a yellow flag, designating the letter Q in the International Code of Signals: flown by itself to signify that a ship has no disease on board and requests a pratique, or flown with another flag to signify that there is disease on board ship.
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Also called yellow flag.
Origin of quarantine flag
First recorded in 1870–75
Words nearby quarantine flag
Qu'Appelle, quaquaversal, quar., quarantine, quarantine anchorage, quarantine flag, quare, quark, quark model, quarkonium, quarks
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022
How to use quarantine flag in a sentence
British Dictionary definitions for quarantine flag
quarantine flag
noun
nautical the yellow signal flag for the letter Q, flown alone from a vessel to indicate that there is no disease aboard and to request pratique or, with a second signal flag, to indicate that there is disease aboardAlso called: yellow flag, yellow jack
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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