Definition of "whirring" []

• A whirr, the sounds of a whirr. (noun)
• Present participle of whir. (verb)

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• "While the Heidleberg appears to be printing an invitation, not a book, the sound of the gears whirring is a nice reminder of publishing's fine tradition."
• "I knew it would call, or soon or late, as it calls the whirring wings;"
• ""I knew it would call, or soon or late, as it calls the whirring wings;"