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

AIDS insanity: When running for the US Senate in 1992, Huckabee called for a quarantine of people who had AIDS.
The Devil in Mike Huckabee|Dean Obeidallah|January 6, 2015|DAILY BEAST
Beyond the huge American flag that hung over the street, the mile-long mass of cops ended.
Funeral Protest Is Too Much for NYPD Union Boss|Michael Daly|January 5, 2015|DAILY BEAST
There is only sand, a white ball, and a flag indicating the hole.
Lost For Thousands of Strokes: 'Desert Golfing' Is 'Angry Birds' as Modern Art|Alec Kubas-Meyer|January 2, 2015|DAILY BEAST
When the game starts, there is only sand, a white ball, a flag indicating hole 1, and a “0” at the top of the screen.
Lost For Thousands of Strokes: 'Desert Golfing' Is 'Angry Birds' as Modern Art|Alec Kubas-Meyer|January 2, 2015|DAILY BEAST

But quite unlike the schmuck, and this is the fun part, they never run up the white flag; indeed quite the opposite.
Steve Scalise and the Right’s Ridiculous Racial Blame Game|Michael Tomasky|January 2, 2015|DAILY BEAST
Truly the flag of Britain was trailing in the mire, or these men would not have dared to address him in that fashion.
The Red Year|Louis Tracy
A white woman, Mrs. Henry Jacobi, who had been taken prisoner early in the month, crossed the plain holding a white flag.
The Red Year|Louis Tracy
Don't you see him right behind that little man in yellow who is carrying a big blue flag?
Our Little Korean Cousin|H. Lee M. Pike
Thus shall we see the destinies of this country guided under the orange and red flag.
The Philippine Islands|John Foreman
A fearsome struggle would surge around that tower where the British flag was flying.
The Red Year|Louis Tracy

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 Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012