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Webster 1913 Edition
Crossbones
Cross′bonesˊ
(krŏs′bōnzˊ)
, Noun.
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.
Crossbones
, scythes, hourglasses, and other lugubrious emblems of mortality. Hawthorne.