an involuntary vibration (as if from illness or fear) a small earthquake shaking or trembling (usually resulting from weakness or stress or disease) shake with seismic vibrations; "The earth was quaking
Muscle contractions that cause rhythmic shaking and involuntary movement, usually of the hand (but may also affect other parts of the body)
A tremor is a shaking of your body or voice that you cannot control. He felt a tremor in his arms
If an event causes a tremor in a group or organization, it threatens to make the group or organization less strong or stable. News of 160 redundancies had sent tremors through the community
A trembling; a shivering or shaking; a quivering or vibratory motion; as, the tremor of a person who is weak, infirm, or old