旗指物 (はたさしもの) Japanese meaning | KotomoraMeanings
1
noun
small war flag worn on the back of armor
historical term
Historical term for a small identifying flag attached to the back of a warrior's armor during battle in feudal Japan.
See also: 指物
を
識
別
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Warriors in the Sengoku period wore a small war flag on their backs to identify allies on the battlefield.