Of a sound: echoing, resounding, rich; continuing to sound or ring. Also figurative.

Of a sound, esp. a person's voice: loud, resonant, imposingly deep and full.

Chiefly poetic. Full of (vocal) sound; sounding, resounding. Frequently with by or with. Obsolete.

transferred. Suggestive of a sepulchre, appropriate to a tomb; dismal, gloomy, melancholy.

Of the voice, sound, etc.: full, rich, and mellow; sonorous, full-sounding.