TREMOLO

‖Tre″mo‐lo (?), n. [[It. Cf. Tremulous.]] (Mus.) (a) The rapid reiteration of tones without any apparent cessation, so as to produce a tremulous effect. (b) 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.