·noun An involuntary shaking or quivering.
II. Tremble ·vi To quaver or shake, as sound; to be tremulous; as the voice trembles.
III. Tremble ·vi To Totter; to Shake;
— said of a thing.
IV. Tremble ·vi To shake involuntarily, as with fear, cold, or weakness; to Quake; to Quiver; to Shiver; to Shudder;
— said of a person or an Animal.