Crossbones
['krɒsbəʊnz] or ['krɔsbonz]
Definition
(noun.) two crossed bones (or a representation of two crossed bones) used as a symbol danger or death.
Edited by Georgina--From WordNet
Definition
(n. pl.) A representation of two of the leg bones or arm bones of a skeleton, laid crosswise, often surmounted with a skull, and serving as a symbol of death.
Edited by Constantine