GNU Collaborative International Dictionary of English

Found one definition

1.       
   Sonorous , a. [L. sonorus, fr. sonor, -oris, a sound, akin to sonus a sound. See Sound.]
    Giving sound when struck; resonant; as, sonorous metals.
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   Loud-sounding; giving a clear or loud sound; as, a sonorous voice.
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   Yielding sound; characterized by sound; vocal; sonant; as, the vowels are sonorous.
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   Impressive in sound; high-sounding.
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   The Italian opera, amidst all the meanness and familiarty of the thoughts, has something beautiful and sonorous in the expression.
   Addison.
   
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   There is nothing of the artificial Johnsonian balance in his style. It is as often marked by a pregnant brevity as by a sonorous amplitude.
   E. Everett.
   
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   (Med.) Sonant; vibrant; hence, of sounds produced in a cavity, deep-toned; as, sonorous rhonchi.
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   Sonorous figures (Physics), figures formed by the vibrations of a substance capable of emitting a musical tone, as when the bow of a violin is drawn along the edge of a piece of glass or metal on which sand is strewed, and the sand arranges itself in figures according to the musical tone. Called also acoustic figures. -- Sonorous tumor (Med.), a tumor which emits a clear, resonant sound on percussion.
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   -- So*no"rous*ly, adv. -- So*no"rous*ness, n.
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