1. [ noun ] a tremulous sound
Related terms: sound
2. [ verb ] give off unsteady sounds, alternating in amplitude or frequency
Synonyms: waver
Related terms: voice
3. [ verb ] (music) sing or play with trills, alternating with the half note above or below
Synonyms: warble trill
Related terms: sing eighth_note
4. [ noun ] (music) a musical note having the time value of an eighth of a whole note
Synonyms: eighth_note
Related terms: note warble
Similar spelling:   quiver