[f. TROLL v. + -ING2.] That trolls, in various senses of the vb.; rolling.

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1581.  A. Hall, Iliad, IV. 73. A wood ful fit to forge the trolling wheeles Of chariots.

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1607.  Lingua, V. ix. L j b. The pleasing changes that a well tun’d Corde Of trowling bells will make.

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1659.  Wood, Life (O.H.S.), I. 287. His voice was a bass,… very strong and exceeding trouling, but he wanted skill.

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1813.  T. Busby, Lucretius, II. v. 1792. Relieved by many a trolling song.

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