A variation in the volume of a note or a chord, evoking a tremor or quiver.
The device in an organ that produces a tremolo effect.
A rapid repetition of the same note, or an alternation between two or more notes. It can also be intended to mean a rapid and repetitive variation in pitch for the duration of a note. It is notated by a strong diagonal bar across the note stem, or a detached bar for a set of notes (or stemless notes).
A sibilant buzz or vibration; the sound of something in rapid motion.
A bustle of noise and excitement.
To make a sibilant buzzing or droning sound.
To cause (something) to make such a sound.
To move or vibrate (something) with a buzzing sound.