bass drum

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Also see: drum

Concise Oxford English Dictionary © 2008 Oxford University Press:
bass1 /beɪs/

▶noun

• 1 the lowest adult male singing voice.

• 2 [as modifier] denoting the member of a family of instruments that is the lowest in pitch.

  ■ informal a bass guitar or double bass.

• 3 the low-frequency output of a radio or audio system, corresponding to the bass in music.

– derivatives
bassist noun,
bassy adjective .

– origin ME: alt. of base2, influenced by basso.

Concise Oxford English Dictionary © 2008 Oxford University Press:
bass2 /bas/

▶noun (pl. same or basses)

• 1 the common freshwater perch.

• 2 any of several fish similar to or related to the bass. [Dicentrarchus labrax (European seas) and other species. See also sea bass.]

– origin ME: alt. of dial. barse, of Gmc origin.

Concise Oxford English Dictionary © 2008 Oxford University Press:
bass3 /bas/

▶noun another term for bast.