Definition of quarantine flag:
°(nautical) a yellow flag hoisted by all ships on entering a harbor, to show that it has contagious or infectious disease aboard, or by a ship that has been quarantined.
Definition of quarantine flag:
°(nautical) a yellow flag hoisted by all ships on entering a harbor, to show that it has contagious or infectious disease aboard, or by a ship that has been quarantined.