a. Obs.1 [f. L. sonor, sonōris sound + -(I)FEROUS.] Conveying sound; soniferous. Also † Sonoriferously adv., resoundingly.

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a. 1693.  Urquhart’s Rabelais, III. xxiii. 193. Mars … did raise his Voice—horrifically loud, and sonoriferously high.

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1730.  Chamberlayne, Relig. Philos., I. xiii. § 3. When the Sonoriferous Air is come into the Cavity of the External Part of the Ear.

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