| crossbone | This skull and crossbones was named based on the world-famous Captain Kid who was active in late 17th Centuary Britain. |
| crossbones | (n) two crossed bones (or a representation of two crossed bones) used as a symbol danger or death |
| Crossbones | 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. [ 1913 Webster ] Crossbones, scythes, hourglasses, and other lugubrious emblems of mortality. Hawthorne. [ 1913 Webster ] |