1. (n.) The rapid reiteration of tones without any apparent cessation, so as to produce a tremulous effect.

2. (n.) A certain contrivance in an organ, which causes the notes to sound with rapid pulses or beats, producing a tremulous effect; -- called also tremolant, and tremulant.

Bebung English horn bassoon block flute bombard bourdon cello claribel clarinet clarion concert flute cornet cornopean cromorna cymbel diapason dulciana falter flute stop flutter foundation stop fourniture gamba gedeckt gemshorn harmonic flute hybrid stop koppel flute larigot melodia mixture mutation stop nazard oboe octave organ stop piccolo plein jeu posaune principal quaver quint quintaten quiver rank ranket reed stop register rohr flute sesquialtera shake shawm spitz flute stop stopped diapason stopped flute string diapason string stop tierce tremble tremolando tremolant tremor trill trillet trilleto trillo trombone trumpet twelfth unda maris vibrato viola voix celeste vox angelica vox humana