Definition of "arm-in-arm" []

• Alternative form of arm in arm. (adjective)

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• "The people of the District need to stand arm-in-arm as we fight the assault of this Congress on the more than 600,000 people of the District of Columbia."
• "Recently, the protestors have been involved in activities such as sitting down in groups, locked arm-in-arm, in front of the vehicular entrances to the University."
• "Methodically, they wrenched apart the protesters who sat arm-in-arm, ordering them to obey and not resist."