(military) Equipped with weapons (of a country, army etc.); in a state of armed, military readiness.
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(chiefly, Australia) Carrying a weapon (chiefly of a criminal); of a crime, committed using a weapon or weapons.
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Regional slang from around the English-speaking world — British, Australian, Irish, Caribbean, Nigerian, Filipino, AAVE, and the hyphenated-English dialects that make the internet sound local.
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