crossbones
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cross·bones | \ ˈkrȯs-ˌbōnz 
\
\Definition of crossbones
: two leg or arm bones placed or depicted crosswise — compare skull and crossbones
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More Definitions for crossbones
crossbones
noun pluralcross·bones | \ ˈkrȯs-ˌbōnz \
\Kids Definition of crossbones
: two leg or arm bones placed or shown crosswise
The pirate's flag bore a skull and crossbones.
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Time Traveler for crossbones
The first known use of crossbones was in 1686
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