Webster's Revised Unabridged Dictionary · 1913

Sonorous

Sonorous , adjective

[Latin sonorus, from sonor, -oris, a sound, akin to sonus a sound. See Sound.]

1.
Giving sound when struck; resonant; as, sonorous metals.
2.
Loud-sounding; giving a clear or loud sound; as, a sonorous voice.
3.
Yielding sound; characterized by sound; vocal; sonant; as, the vowels are sonorous.
4.
Impressive in sound; high-sounding.
The Italian opera, amidst all the meanness and familiarty of the thoughts, has something beautiful and sonorous in the expression. — Addison
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
5.
(Medicine) Sonant; vibrant; hence, of sounds produced in a cavity, deep-toned; as, sonorous rhonchi.
Collocations (2)
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 (Medicine) , a tumor which emits a clear, resonant sound on percussion.