Sinonim skull and crossbones

English Thesaurus

1. emblem warning of danger or death (noun.artifact)

hypernym	:	emblem,
definition	:	special design or visual object representing a quality, type, group, etc. (noun.artifact)

part meronym	:	black flag, blackjack, jolly roger, pirate flag,
definition	:	a flag usually bearing a white skull and crossbones on a black background; indicates a pirate ship (noun.artifact)