| 单词 | black flag |
| 释义 | black flag 1. a pirate flag, usually of black cloth with a white skull and crossbones on it; Jolly Roger. 2. a flag having two yellow and two black squares, signifying the letter L in the International Code of Signals: formerly so called when used by itself to indicate the presence of cholera on board a vessel. 3. a signal given to an automobile racing driver to stop, usually because the car may have a dangerous problem that requires inspection. Also called blackjack (for defs. 1, 2). [1585-95] |
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