Definition of "trooping" [trooping]

• Present participle of troop. (verb)

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• "Such men as those are born on the banks of the St. Lawrence, and in Ontario, and in the West, and they come trooping from the Yukon to do their duty to the flag."
• "Now McCain is saying he will debate next Thursday, that would be Oct. the 2nd and troops are supposed to start "trooping" to keep America in place on Oct. 1st."
• "Over on the other side of the world, the mere mention of the word was sufficient to conjure up whole crowds of its historic frequenters, and to send trooping through my imagination endless groups of wits and dandies, pamphleteers and bravos, and bohemians of Grub Street."