bass

1. A low-pitched sound or tone.
2. The tones in the lowest register of an instrument.
3. 1. A male singing voice of the lowest range.
   2. A singer who has such a voice.
   3. An instrument that sounds within this range.
   4. (Abbr. B) A vocal or instrumental part written within this range.
4. An instrument, especially a double bass, that produces tones in a low register.

1. Having a deep tone.
2. Low in pitch.

[Middle English bas, lowest musical part, from bas, low. See base².]

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adjective

Being a sound produced by a relatively small frequency of vibrations: alto, contralto, deep, low, low-pitched. See sounds/pleasant sounds/unpleasant sounds/neutral sounds or silence.

Definition: deep-toned
Antonyms: high

The lowest range of the male singing voice. (Compare baritone and tenor.)

"Low." 1. The lowest male singing voice, below baritone. 2. The lowest part in a piece of music. 3. The lowest instrument in a musical work. 4. In the violin family, the lowest instrument.