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).
The sound of one who warbles; singing with trills or modulations.
In naval mine warfare, the process of varying the frequency of sound produced by a narrowband noisemaker to ensure that the frequency to which the mine will respond is covered.
A small hard swelling on a horse's back, caused by the galling of the saddle.
A lesion under the skin of cattle, caused by the larva of a bot fly of genus Hypoderma.
To cause to quaver or vibrate.
To modulate a tone's frequency.
To be quavered or modulated; to be uttered melodiously.
To sing like a bird, especially with trills.