What is hesitation; trembling; feebleness; an uncertain or broken sound; as, a slight falter in her voice. The falter of an idle shepherd's pipe. Lowell called?

falter — Hesitation; trembling; feebleness; an uncertain or broken sound; as, a slight falter in her voice. The falter of an idle shepherd's pipe. Lowell. (Webster's 1913.)

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