01 a. Occurring in rapid succession, like the firing of a machine gun; as, Tom was a persuasive speaker, with a smooth deep voice, polysyllabic vā¦
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1.
Occurring in rapid succession, like the firing of a machine gun; as, Tom was a persuasive speaker, with a smooth deep voice, polysyllabic vocabulary, and a machine-gun articulation that overwhelmed listeners. See: machine gun