skull and crossbones

noun

1. a representation of a front view of a human skull above two crossed bones, originally used on pirates' flags and now used as a warning sign, as in designating substances as poisons.

skull and crossbones

noun

1. a picture of the human skull above two crossed thighbones, formerly on the pirate flag, now used as a warning of danger or death

skull and crossbones

1. A picture or outline of a human skull and two crossed arm or leg bones. Pirate ships are supposed to have used the skull and crossbones on their flags. ( See also Jolly Roger .)

Word History and Origins

Origin of skull and crossbones¹

First recorded in 1820–30

Example Sentences

When Shagarach stepped from the car on his way to meet Mr. Skull-and-Crossbones he found that he was early.

From Project Gutenberg

By the way, my correspondent, Mr. Skull-and-Crossbones, has honored me again.

From Project Gutenberg

I was determined—I think we were all determined—not to be bullied by these islanders and their skull-and-crossbones ditty.

From Project Gutenberg