- 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 aboard
Also called: yellow flag, yellow jack
| 单词 | quarantine flag |
| 释义 | WordReference Random House Unabridged Dictionary of American English © 2024 quar′antine flag′, [Naut.]
Collins Concise English Dictionary © HarperCollins Publishers:: quarantine flag n
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