Definition of "archrivals" []

• Plural form of archrival. (noun)

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• "East-leading Bruins, captured the series, four games to two, and eliminated their archrivals from the playoffs for the 22nd time in 29 meetings."
• "There's nothing Boston sports fans like more than seeing their teams beat the tar out of their archrivals in New York."
• "The roughly $15 billion order, if completed, would be one of the largest by any airline and have major implications for the archrivals."