orotund

Of a voice: characterized by clarity, fullness, smoothness, and strength of sound; hence, of a person: having a clear, full, and strong voice, appropriate for public speaking, reading aloud, etc.

Of writing, etc.: clear, effective, powerful.

Of speech or writing: bombastic, pompous.

(no longer used) A voice characterized by clarity, fullness, smoothness, and strength of sound.

(no longer used) The quality of clarity, effectiveness, and power in speech or writing.