English Dictionary

skull and crossbones

/ˌskʌl n̩ ˈkɹɒsbəʊnz/

noun

A depiction of a human skull and two crossed femurs (thighbones), a symbol of death traditionally used on the Jolly Roger pirate flag, but now as a warning of toxicity or other dangers.

The pirate flag had a skull and crossbones on it.

意味（1）

A depiction of a human skull and two crossed femurs (thighbones), a symbol of death traditionally used on the Jolly Roger pirate flag, but now as a warning of toxicity or other dangers.

In an obscure corner of the town stands a house of extreme antiquity, over the door of which are still to be seen a skull and crossbones.