ドクロマーク

noun

skull and crossbones

Refers to the symbol of a human skull with crossed bones, commonly used as a warning for poison, danger, or in pirate imagery.

• 毒どくの瓶びんにはドクロマークが描かいてある。

  The poison bottle has a skull and crossbones drawn on it.

• 海かい賊ぞくの旗はたにはドクロマークがよく使つかわれる。

  The skull and crossbones is often used on pirate flags.