D defs.my
Entry 1 sense Webster, 1913

Thorough bass

/thẽr'-ō băs/ · Thor·ough bass · IPA
01 The representation of chords by figures placed under the base; figured bass; basso continuo; -- sometimes used as synonymous with harmony.
  1. 1.
    The representation of chords by figures placed under the base; figured bass; basso continuo; -- sometimes used as synonymous with harmony.(Mus.) Also: harmony