The Collaborative International Dictionary
Bass \Bass\, a. Deep or grave in tone.
Bass clef (Mus.), the character placed at the beginning of the staff containing the bass part of a musical composition. [See Illust. under Clef.]
Bass voice, a deep-sounding voice; a voice fitted for singing bass.
WordNet
Usage examples of "bass voice".
The one possible source of answers was the Accounting Office, that odd invisible bass voice that seemed to know everything, but chose to tell only what it felt like telling.
The wives had congregated in two adjacent booths, and there spoke quietly and uneasily, and turned to look whenever the volume of voices rose above a certain level, or whenever the bass voice of Kroner rumbled through the haze of small talk with three or four short, wise, wonderfully pregnant words.
Another tune, sung by a tall thin man with a deep bass voice, told of the trials of a man bent on catching an ancient granddaddy smacker fish which had once demolished his small fishing boat with a negligent flick of its massive tail.