資料來源 : Webster's Revised Unabridged Dictionary (1913)

Thorough bass \Thor"ough bass`\ (Mus.)
   The representation of chords by figures placed under the
   base; figured bass; basso continuo; -- sometimes used as
   synonymous with {harmony}.

Bass \Bass\, n. [F. basse, fr. bas low. See {Base}, a.]
   1. A bass, or deep, sound or tone.

   2. (Mus.)
      (a) The lowest part in a musical composition.
      (b) One who sings, or the instrument which plays, bass.
          [Written also {base}.]

   {Thorough bass}. See {Thorough bass}.

資料來源 : WordNet®

thorough bass
     n : a bass part written out in full and accompanied by numbers
         to indicate the chords to be played [syn: {figured bass},
          {basso continuo}, {continuo}]